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Finding the Fourth Proportional to 265,167.52, 365,970.61 and 156,237.10

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Solution

The fourth proportional to 265,167.52, 365,970.61 and 156,237.10 is: 215,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,167.52 : 365,970.61 = 156,237.10 : x
  2. Step 2: Convert to fraction form
    265,167.52/365,970.61 = 156,237.10/x
  3. Step 3: Cross multiply
    265,167.52x = 365,970.61 × 156,237.10
  4. Step 4: Simplify right side
    265,167.52x = 57,178,187,251.75
  5. Step 5: Solve for x
    x = 57,178,187,251.75/265,167.52
  6. Step 6: Final answer
    x = 215,630.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.