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Finding the Fourth Proportional to 172,132.92, 237,477.06 and 126,918.18

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Solution

The fourth proportional to 172,132.92, 237,477.06 and 126,918.18 is: 175,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,132.92 : 237,477.06 = 126,918.18 : x
  2. Step 2: Convert to fraction form
    172,132.92/237,477.06 = 126,918.18/x
  3. Step 3: Cross multiply
    172,132.92x = 237,477.06 × 126,918.18
  4. Step 4: Simplify right side
    172,132.92x = 30,140,156,246.95
  5. Step 5: Solve for x
    x = 30,140,156,246.95/172,132.92
  6. Step 6: Final answer
    x = 175,098.15

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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.