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Finding the Fourth Proportional to 87,246.80, 130,870.20 and 24,909.20

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Solution

The fourth proportional to 87,246.80, 130,870.20 and 24,909.20 is: 37,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.80 : 130,870.20 = 24,909.20 : x
  2. Step 2: Convert to fraction form
    87,246.80/130,870.20 = 24,909.20/x
  3. Step 3: Cross multiply
    87,246.80x = 130,870.20 × 24,909.20
  4. Step 4: Simplify right side
    87,246.80x = 3,259,871,985.84
  5. Step 5: Solve for x
    x = 3,259,871,985.84/87,246.80
  6. Step 6: Final answer
    x = 37,363.80

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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.