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Finding the Fourth Proportional to 182,558.52, 251,927.98 and 101,987.20

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Solution

The fourth proportional to 182,558.52, 251,927.98 and 101,987.20 is: 140,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,558.52 : 251,927.98 = 101,987.20 : x
  2. Step 2: Convert to fraction form
    182,558.52/251,927.98 = 101,987.20/x
  3. Step 3: Cross multiply
    182,558.52x = 251,927.98 × 101,987.20
  4. Step 4: Simplify right side
    182,558.52x = 25,693,429,281.86
  5. Step 5: Solve for x
    x = 25,693,429,281.86/182,558.52
  6. Step 6: Final answer
    x = 140,740.78

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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.