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Finding the Fourth Proportional to 82,889,689.60, 124,446,508.80 and 52,656,601.60

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Solution

The fourth proportional to 82,889,689.60, 124,446,508.80 and 52,656,601.60 is: 79,056,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,889,689.60 : 124,446,508.80 = 52,656,601.60 : x
  2. Step 2: Convert to fraction form
    82,889,689.60/124,446,508.80 = 52,656,601.60/x
  3. Step 3: Cross multiply
    82,889,689.60x = 124,446,508.80 × 52,656,601.60
  4. Step 4: Simplify right side
    82,889,689.60x = 6,552,930,234,392,494
  5. Step 5: Solve for x
    x = 6,552,930,234,392,494/82,889,689.60
  6. Step 6: Final answer
    x = 79,056,035.39

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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.