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Finding the Fourth Proportional to 83,178.88, 124,731.25 and 24,000.49

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Solution

The fourth proportional to 83,178.88, 124,731.25 and 24,000.49 is: 35,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.88 : 124,731.25 = 24,000.49 : x
  2. Step 2: Convert to fraction form
    83,178.88/124,731.25 = 24,000.49/x
  3. Step 3: Cross multiply
    83,178.88x = 124,731.25 × 24,000.49
  4. Step 4: Simplify right side
    83,178.88x = 2,993,611,118.31
  5. Step 5: Solve for x
    x = 2,993,611,118.31/83,178.88
  6. Step 6: Final answer
    x = 35,990.04

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1.5x scale

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.