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Finding the Fourth Proportional to 124,499.78, 186,759.95 and 52,473.48

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Solution

The fourth proportional to 124,499.78, 186,759.95 and 52,473.48 is: 78,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499.78 : 186,759.95 = 52,473.48 : x
  2. Step 2: Convert to fraction form
    124,499.78/186,759.95 = 52,473.48/x
  3. Step 3: Cross multiply
    124,499.78x = 186,759.95 × 52,473.48
  4. Step 4: Simplify right side
    124,499.78x = 9,799,944,238.76
  5. Step 5: Solve for x
    x = 9,799,944,238.76/124,499.78
  6. Step 6: Final answer
    x = 78,714.55

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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.