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Finding the Fourth Proportional to 172,227.01, 237,669.24 and 99,624.55

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Solution

The fourth proportional to 172,227.01, 237,669.24 and 99,624.55 is: 137,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,227.01 : 237,669.24 = 99,624.55 : x
  2. Step 2: Convert to fraction form
    172,227.01/237,669.24 = 99,624.55/x
  3. Step 3: Cross multiply
    172,227.01x = 237,669.24 × 99,624.55
  4. Step 4: Simplify right side
    172,227.01x = 23,677,691,083.84
  5. Step 5: Solve for x
    x = 23,677,691,083.84/172,227.01
  6. Step 6: Final answer
    x = 137,479.55

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