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Finding the Fourth Proportional to 183,565.57, 275,374.62 and 81,097.03

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Solution

The fourth proportional to 183,565.57, 275,374.62 and 81,097.03 is: 121,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,565.57 : 275,374.62 = 81,097.03 : x
  2. Step 2: Convert to fraction form
    183,565.57/275,374.62 = 81,097.03/x
  3. Step 3: Cross multiply
    183,565.57x = 275,374.62 × 81,097.03
  4. Step 4: Simplify right side
    183,565.57x = 22,332,063,819.38
  5. Step 5: Solve for x
    x = 22,332,063,819.38/183,565.57
  6. Step 6: Final answer
    x = 121,657.15

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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.