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Finding the Fourth Proportional to 66,862.44, 100,300.32 and 24,753.78

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Solution

The fourth proportional to 66,862.44, 100,300.32 and 24,753.78 is: 37,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862.44 : 100,300.32 = 24,753.78 : x
  2. Step 2: Convert to fraction form
    66,862.44/100,300.32 = 24,753.78/x
  3. Step 3: Cross multiply
    66,862.44x = 100,300.32 × 24,753.78
  4. Step 4: Simplify right side
    66,862.44x = 2,482,812,055.21
  5. Step 5: Solve for x
    x = 2,482,812,055.21/66,862.44
  6. Step 6: Final answer
    x = 37,133.14

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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.