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Finding the Fourth Proportional to 186,761, 280,143.98 and 62,102.04

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Solution

The fourth proportional to 186,761, 280,143.98 and 62,102.04 is: 93,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,761 : 280,143.98 = 62,102.04 : x
  2. Step 2: Convert to fraction form
    186,761/280,143.98 = 62,102.04/x
  3. Step 3: Cross multiply
    186,761x = 280,143.98 × 62,102.04
  4. Step 4: Simplify right side
    186,761x = 17,397,512,651.72
  5. Step 5: Solve for x
    x = 17,397,512,651.72/186,761
  6. Step 6: Final answer
    x = 93,153.88

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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.