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Finding the Fourth Proportional to 64,361,142.10, 96,541,713.15 and 43,953,807.70

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Solution

The fourth proportional to 64,361,142.10, 96,541,713.15 and 43,953,807.70 is: 65,930,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,142.10 : 96,541,713.15 = 43,953,807.70 : x
  2. Step 2: Convert to fraction form
    64,361,142.10/96,541,713.15 = 43,953,807.70/x
  3. Step 3: Cross multiply
    64,361,142.10x = 96,541,713.15 × 43,953,807.70
  4. Step 4: Simplify right side
    64,361,142.10x = 4,243,375,894,823,662
  5. Step 5: Solve for x
    x = 4,243,375,894,823,662/64,361,142.10
  6. Step 6: Final answer
    x = 65,930,711.55

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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.