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Finding the Fourth Proportional to 87,199, 130,799.73 and 24,869.50

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Solution

The fourth proportional to 87,199, 130,799.73 and 24,869.50 is: 37,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,199 : 130,799.73 = 24,869.50 : x
  2. Step 2: Convert to fraction form
    87,199/130,799.73 = 24,869.50/x
  3. Step 3: Cross multiply
    87,199x = 130,799.73 × 24,869.50
  4. Step 4: Simplify right side
    87,199x = 3,252,923,885.24
  5. Step 5: Solve for x
    x = 3,252,923,885.24/87,199
  6. Step 6: Final answer
    x = 37,304.60

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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.