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Finding the Fourth Proportional to 98,057.61, 147,086.42 and 27,937.13

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Solution

The fourth proportional to 98,057.61, 147,086.42 and 27,937.13 is: 41,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,057.61 : 147,086.42 = 27,937.13 : x
  2. Step 2: Convert to fraction form
    98,057.61/147,086.42 = 27,937.13/x
  3. Step 3: Cross multiply
    98,057.61x = 147,086.42 × 27,937.13
  4. Step 4: Simplify right side
    98,057.61x = 4,109,171,561.66
  5. Step 5: Solve for x
    x = 4,109,171,561.66/98,057.61
  6. Step 6: Final answer
    x = 41,905.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.