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Finding the Fourth Proportional to 119,599.52, 179,399.28 and 49,401.68

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Solution

The fourth proportional to 119,599.52, 179,399.28 and 49,401.68 is: 74,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,599.52 : 179,399.28 = 49,401.68 : x
  2. Step 2: Convert to fraction form
    119,599.52/179,399.28 = 49,401.68/x
  3. Step 3: Cross multiply
    119,599.52x = 179,399.28 × 49,401.68
  4. Step 4: Simplify right side
    119,599.52x = 8,862,625,822.79
  5. Step 5: Solve for x
    x = 8,862,625,822.79/119,599.52
  6. Step 6: Final answer
    x = 74,102.52

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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.