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Finding the Fourth Proportional to 118,557.59, 177,835.41 and 48,387.69

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Solution

The fourth proportional to 118,557.59, 177,835.41 and 48,387.69 is: 72,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,557.59 : 177,835.41 = 48,387.69 : x
  2. Step 2: Convert to fraction form
    118,557.59/177,835.41 = 48,387.69/x
  3. Step 3: Cross multiply
    118,557.59x = 177,835.41 × 48,387.69
  4. Step 4: Simplify right side
    118,557.59x = 8,605,044,690.10
  5. Step 5: Solve for x
    x = 8,605,044,690.10/118,557.59
  6. Step 6: Final answer
    x = 72,581.14

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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.