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Finding the Fourth Proportional to 124,775,129.90, 187,162,694.85 and 124,775,129.90

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Solution

The fourth proportional to 124,775,129.90, 187,162,694.85 and 124,775,129.90 is: 187,162,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,775,129.90 : 187,162,694.85 = 124,775,129.90 : x
  2. Step 2: Convert to fraction form
    124,775,129.90/187,162,694.85 = 124,775,129.90/x
  3. Step 3: Cross multiply
    124,775,129.90x = 187,162,694.85 × 124,775,129.90
  4. Step 4: Simplify right side
    124,775,129.90x = 23,353,249,562,342,812
  5. Step 5: Solve for x
    x = 23,353,249,562,342,812/124,775,129.90
  6. Step 6: Final answer
    x = 187,162,694.85

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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.