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Finding the Fourth Proportional to 98,152.90, 147,229.35 and 31,593.04

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Solution

The fourth proportional to 98,152.90, 147,229.35 and 31,593.04 is: 47,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,152.90 : 147,229.35 = 31,593.04 : x
  2. Step 2: Convert to fraction form
    98,152.90/147,229.35 = 31,593.04/x
  3. Step 3: Cross multiply
    98,152.90x = 147,229.35 × 31,593.04
  4. Step 4: Simplify right side
    98,152.90x = 4,651,422,257.18
  5. Step 5: Solve for x
    x = 4,651,422,257.18/98,152.90
  6. Step 6: Final answer
    x = 47,389.56

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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.