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Finding the Fourth Proportional to 125,244.88, 187,891.92 and 46,359.76

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Solution

The fourth proportional to 125,244.88, 187,891.92 and 46,359.76 is: 69,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244.88 : 187,891.92 = 46,359.76 : x
  2. Step 2: Convert to fraction form
    125,244.88/187,891.92 = 46,359.76/x
  3. Step 3: Cross multiply
    125,244.88x = 187,891.92 × 46,359.76
  4. Step 4: Simplify right side
    125,244.88x = 8,710,624,317.14
  5. Step 5: Solve for x
    x = 8,710,624,317.14/125,244.88
  6. Step 6: Final answer
    x = 69,548.75

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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.