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Finding the Fourth Proportional to 545,195.52, 817,801.92 and 166,124.16

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Solution

The fourth proportional to 545,195.52, 817,801.92 and 166,124.16 is: 249,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,195.52 : 817,801.92 = 166,124.16 : x
  2. Step 2: Convert to fraction form
    545,195.52/817,801.92 = 166,124.16/x
  3. Step 3: Cross multiply
    545,195.52x = 817,801.92 × 166,124.16
  4. Step 4: Simplify right side
    545,195.52x = 135,856,657,006.39
  5. Step 5: Solve for x
    x = 135,856,657,006.39/545,195.52
  6. Step 6: Final answer
    x = 249,188.87

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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.