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Finding the Fourth Proportional to 125,224.52, 187,910.49 and 46,393.70

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Solution

The fourth proportional to 125,224.52, 187,910.49 and 46,393.70 is: 69,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.52 : 187,910.49 = 46,393.70 : x
  2. Step 2: Convert to fraction form
    125,224.52/187,910.49 = 46,393.70/x
  3. Step 3: Cross multiply
    125,224.52x = 187,910.49 × 46,393.70
  4. Step 4: Simplify right side
    125,224.52x = 8,717,862,899.91
  5. Step 5: Solve for x
    x = 8,717,862,899.91/125,224.52
  6. Step 6: Final answer
    x = 69,617.86

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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.