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Finding the Fourth Proportional to 63,969,801.20, 95,812,984.20 and 55,466,745.20

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Solution

The fourth proportional to 63,969,801.20, 95,812,984.20 and 55,466,745.20 is: 83,077,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,969,801.20 : 95,812,984.20 = 55,466,745.20 : x
  2. Step 2: Convert to fraction form
    63,969,801.20/95,812,984.20 = 55,466,745.20/x
  3. Step 3: Cross multiply
    63,969,801.20x = 95,812,984.20 × 55,466,745.20
  4. Step 4: Simplify right side
    63,969,801.20x = 5,314,434,381,473,026
  5. Step 5: Solve for x
    x = 5,314,434,381,473,026/63,969,801.20
  6. Step 6: Final answer
    x = 83,077,237.72

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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.