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Finding the Fourth Proportional to 147,473.92, 203,449.96 and 93,730.16

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Solution

The fourth proportional to 147,473.92, 203,449.96 and 93,730.16 is: 129,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,473.92 : 203,449.96 = 93,730.16 : x
  2. Step 2: Convert to fraction form
    147,473.92/203,449.96 = 93,730.16/x
  3. Step 3: Cross multiply
    147,473.92x = 203,449.96 × 93,730.16
  4. Step 4: Simplify right side
    147,473.92x = 19,069,397,302.79
  5. Step 5: Solve for x
    x = 19,069,397,302.79/147,473.92
  6. Step 6: Final answer
    x = 129,306.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.