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Finding the Fourth Proportional to 64,361,142.60, 96,541,713.90 and 43,953,808.20

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Solution

The fourth proportional to 64,361,142.60, 96,541,713.90 and 43,953,808.20 is: 65,930,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,142.60 : 96,541,713.90 = 43,953,808.20 : x
  2. Step 2: Convert to fraction form
    64,361,142.60/96,541,713.90 = 43,953,808.20/x
  3. Step 3: Cross multiply
    64,361,142.60x = 96,541,713.90 × 43,953,808.20
  4. Step 4: Simplify right side
    64,361,142.60x = 4,243,375,976,059,874.50
  5. Step 5: Solve for x
    x = 4,243,375,976,059,874.50/64,361,142.60
  6. Step 6: Final answer
    x = 65,930,712.30

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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.