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Finding the Fourth Proportional to 98,008.35, 147,061.17 and 38,842.71

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Solution

The fourth proportional to 98,008.35, 147,061.17 and 38,842.71 is: 58,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.35 : 147,061.17 = 38,842.71 : x
  2. Step 2: Convert to fraction form
    98,008.35/147,061.17 = 38,842.71/x
  3. Step 3: Cross multiply
    98,008.35x = 147,061.17 × 38,842.71
  4. Step 4: Simplify right side
    98,008.35x = 5,712,254,378.57
  5. Step 5: Solve for x
    x = 5,712,254,378.57/98,008.35
  6. Step 6: Final answer
    x = 58,283.34

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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.