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Finding the Fourth Proportional to 124,813.66, 187,253.28 and 44,859.70

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Solution

The fourth proportional to 124,813.66, 187,253.28 and 44,859.70 is: 67,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.66 : 187,253.28 = 44,859.70 : x
  2. Step 2: Convert to fraction form
    124,813.66/187,253.28 = 44,859.70/x
  3. Step 3: Cross multiply
    124,813.66x = 187,253.28 × 44,859.70
  4. Step 4: Simplify right side
    124,813.66x = 8,400,125,964.82
  5. Step 5: Solve for x
    x = 8,400,125,964.82/124,813.66
  6. Step 6: Final answer
    x = 67,301.34

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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.