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Finding the Fourth Proportional to 265,962.60, 366,978.18 and 158,542.65

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Solution

The fourth proportional to 265,962.60, 366,978.18 and 158,542.65 is: 218,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,962.60 : 366,978.18 = 158,542.65 : x
  2. Step 2: Convert to fraction form
    265,962.60/366,978.18 = 158,542.65/x
  3. Step 3: Cross multiply
    265,962.60x = 366,978.18 × 158,542.65
  4. Step 4: Simplify right side
    265,962.60x = 58,181,693,149.38
  5. Step 5: Solve for x
    x = 58,181,693,149.38/265,962.60
  6. Step 6: Final answer
    x = 218,758.93

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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.