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Finding the Fourth Proportional to 145,805.92, 218,708.89 and 34,997.92

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Solution

The fourth proportional to 145,805.92, 218,708.89 and 34,997.92 is: 52,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,805.92 : 218,708.89 = 34,997.92 : x
  2. Step 2: Convert to fraction form
    145,805.92/218,708.89 = 34,997.92/x
  3. Step 3: Cross multiply
    145,805.92x = 218,708.89 × 34,997.92
  4. Step 4: Simplify right side
    145,805.92x = 7,654,356,235.51
  5. Step 5: Solve for x
    x = 7,654,356,235.51/145,805.92
  6. Step 6: Final answer
    x = 52,496.88

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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.