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Finding the Fourth Proportional to 118,593.15, 177,948.15 and 55,417.62

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Solution

The fourth proportional to 118,593.15, 177,948.15 and 55,417.62 is: 83,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593.15 : 177,948.15 = 55,417.62 : x
  2. Step 2: Convert to fraction form
    118,593.15/177,948.15 = 55,417.62/x
  3. Step 3: Cross multiply
    118,593.15x = 177,948.15 × 55,417.62
  4. Step 4: Simplify right side
    118,593.15x = 9,861,462,956.40
  5. Step 5: Solve for x
    x = 9,861,462,956.40/118,593.15
  6. Step 6: Final answer
    x = 83,153.73

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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.