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Finding the Fourth Proportional to 63,393,653.88, 95,085,829.80 and 20,251,273.52

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Solution

The fourth proportional to 63,393,653.88, 95,085,829.80 and 20,251,273.52 is: 30,375,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393,653.88 : 95,085,829.80 = 20,251,273.52 : x
  2. Step 2: Convert to fraction form
    63,393,653.88/95,085,829.80 = 20,251,273.52/x
  3. Step 3: Cross multiply
    63,393,653.88x = 95,085,829.80 × 20,251,273.52
  4. Step 4: Simplify right side
    63,393,653.88x = 1,925,609,147,155,966.75
  5. Step 5: Solve for x
    x = 1,925,609,147,155,966.75/63,393,653.88
  6. Step 6: Final answer
    x = 30,375,424.50

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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.