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Finding the Fourth Proportional to 124,388.76, 186,601.86 and 44,420.52

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Solution

The fourth proportional to 124,388.76, 186,601.86 and 44,420.52 is: 66,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,388.76 : 186,601.86 = 44,420.52 : x
  2. Step 2: Convert to fraction form
    124,388.76/186,601.86 = 44,420.52/x
  3. Step 3: Cross multiply
    124,388.76x = 186,601.86 × 44,420.52
  4. Step 4: Simplify right side
    124,388.76x = 8,288,951,654.17
  5. Step 5: Solve for x
    x = 8,288,951,654.17/124,388.76
  6. Step 6: Final answer
    x = 66,637.47

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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.