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Finding the Fourth Proportional to 172,543.68, 238,115.54 and 93,966.83

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Solution

The fourth proportional to 172,543.68, 238,115.54 and 93,966.83 is: 129,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,543.68 : 238,115.54 = 93,966.83 : x
  2. Step 2: Convert to fraction form
    172,543.68/238,115.54 = 93,966.83/x
  3. Step 3: Cross multiply
    172,543.68x = 238,115.54 × 93,966.83
  4. Step 4: Simplify right side
    172,543.68x = 22,374,960,807.13
  5. Step 5: Solve for x
    x = 22,374,960,807.13/172,543.68
  6. Step 6: Final answer
    x = 129,677.08

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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.