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Finding the Fourth Proportional to 64,515,737.60, 96,674,073.60 and 55,955,916.80

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Solution

The fourth proportional to 64,515,737.60, 96,674,073.60 and 55,955,916.80 is: 83,847,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,737.60 : 96,674,073.60 = 55,955,916.80 : x
  2. Step 2: Convert to fraction form
    64,515,737.60/96,674,073.60 = 55,955,916.80/x
  3. Step 3: Cross multiply
    64,515,737.60x = 96,674,073.60 × 55,955,916.80
  4. Step 4: Simplify right side
    64,515,737.60x = 5,409,486,419,078,676
  5. Step 5: Solve for x
    x = 5,409,486,419,078,676/64,515,737.60
  6. Step 6: Final answer
    x = 83,847,548.22

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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.