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Finding the Fourth Proportional to 63,793,972.80, 95,690,959.20 and 44,646,350.40

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Solution

The fourth proportional to 63,793,972.80, 95,690,959.20 and 44,646,350.40 is: 66,969,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,793,972.80 : 95,690,959.20 = 44,646,350.40 : x
  2. Step 2: Convert to fraction form
    63,793,972.80/95,690,959.20 = 44,646,350.40/x
  3. Step 3: Cross multiply
    63,793,972.80x = 95,690,959.20 × 44,646,350.40
  4. Step 4: Simplify right side
    63,793,972.80x = 4,272,252,094,555,303.50
  5. Step 5: Solve for x
    x = 4,272,252,094,555,303.50/63,793,972.80
  6. Step 6: Final answer
    x = 66,969,525.60

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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.