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Finding the Fourth Proportional to 144,498.60, 216,747.90 and 124,799.40

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Solution

The fourth proportional to 144,498.60, 216,747.90 and 124,799.40 is: 187,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,498.60 : 216,747.90 = 124,799.40 : x
  2. Step 2: Convert to fraction form
    144,498.60/216,747.90 = 124,799.40/x
  3. Step 3: Cross multiply
    144,498.60x = 216,747.90 × 124,799.40
  4. Step 4: Simplify right side
    144,498.60x = 27,050,007,871.26
  5. Step 5: Solve for x
    x = 27,050,007,871.26/144,498.60
  6. Step 6: Final answer
    x = 187,199.10

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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.