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Finding the Fourth Proportional to 64,367,877.60, 96,663,790.80 and 34,134,789.60

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Solution

The fourth proportional to 64,367,877.60, 96,663,790.80 and 34,134,789.60 is: 51,261,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,367,877.60 : 96,663,790.80 = 34,134,789.60 : x
  2. Step 2: Convert to fraction form
    64,367,877.60/96,663,790.80 = 34,134,789.60/x
  3. Step 3: Cross multiply
    64,367,877.60x = 96,663,790.80 × 34,134,789.60
  4. Step 4: Simplify right side
    64,367,877.60x = 3,299,598,160,896,415.50
  5. Step 5: Solve for x
    x = 3,299,598,160,896,415.50/64,367,877.60
  6. Step 6: Final answer
    x = 51,261,565.30

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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.