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Finding the Fourth Proportional to 98,570.70, 147,856.05 and 36,233.10

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Solution

The fourth proportional to 98,570.70, 147,856.05 and 36,233.10 is: 54,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,570.70 : 147,856.05 = 36,233.10 : x
  2. Step 2: Convert to fraction form
    98,570.70/147,856.05 = 36,233.10/x
  3. Step 3: Cross multiply
    98,570.70x = 147,856.05 × 36,233.10
  4. Step 4: Simplify right side
    98,570.70x = 5,357,283,045.26
  5. Step 5: Solve for x
    x = 5,357,283,045.26/98,570.70
  6. Step 6: Final answer
    x = 54,349.65

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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.