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Finding the Fourth Proportional to 118,575.60, 177,712.20 and 48,375.60

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Solution

The fourth proportional to 118,575.60, 177,712.20 and 48,375.60 is: 72,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,575.60 : 177,712.20 = 48,375.60 : x
  2. Step 2: Convert to fraction form
    118,575.60/177,712.20 = 48,375.60/x
  3. Step 3: Cross multiply
    118,575.60x = 177,712.20 × 48,375.60
  4. Step 4: Simplify right side
    118,575.60x = 8,596,934,302.32
  5. Step 5: Solve for x
    x = 8,596,934,302.32/118,575.60
  6. Step 6: Final answer
    x = 72,501.71

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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.