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Finding the Fourth Proportional to 181,402.52, 272,106.57 and 69,088.97

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Solution

The fourth proportional to 181,402.52, 272,106.57 and 69,088.97 is: 103,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.52 : 272,106.57 = 69,088.97 : x
  2. Step 2: Convert to fraction form
    181,402.52/272,106.57 = 69,088.97/x
  3. Step 3: Cross multiply
    181,402.52x = 272,106.57 × 69,088.97
  4. Step 4: Simplify right side
    181,402.52x = 18,799,562,651.53
  5. Step 5: Solve for x
    x = 18,799,562,651.53/181,402.52
  6. Step 6: Final answer
    x = 103,634.52

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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.