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Finding the Fourth Proportional to 145,162,893.30, 217,744,339.95 and 145,162,893.30

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Solution

The fourth proportional to 145,162,893.30, 217,744,339.95 and 145,162,893.30 is: 217,744,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162,893.30 : 217,744,339.95 = 145,162,893.30 : x
  2. Step 2: Convert to fraction form
    145,162,893.30/217,744,339.95 = 145,162,893.30/x
  3. Step 3: Cross multiply
    145,162,893.30x = 217,744,339.95 × 145,162,893.30
  4. Step 4: Simplify right side
    145,162,893.30x = 31,608,398,386,840,780
  5. Step 5: Solve for x
    x = 31,608,398,386,840,780/145,162,893.30
  6. Step 6: Final answer
    x = 217,744,339.95

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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.