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Finding the Fourth Proportional to 88,978,819.20, 133,468,228.80 and 37,862,505.60

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Solution

The fourth proportional to 88,978,819.20, 133,468,228.80 and 37,862,505.60 is: 56,793,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978,819.20 : 133,468,228.80 = 37,862,505.60 : x
  2. Step 2: Convert to fraction form
    88,978,819.20/133,468,228.80 = 37,862,505.60/x
  3. Step 3: Cross multiply
    88,978,819.20x = 133,468,228.80 × 37,862,505.60
  4. Step 4: Simplify right side
    88,978,819.20x = 5,053,441,560,362,081
  5. Step 5: Solve for x
    x = 5,053,441,560,362,081/88,978,819.20
  6. Step 6: Final answer
    x = 56,793,758.40

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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.