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Finding the Fourth Proportional to 268,199.29, 402,147.29 and 88,236.02

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Solution

The fourth proportional to 268,199.29, 402,147.29 and 88,236.02 is: 132,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,199.29 : 402,147.29 = 88,236.02 : x
  2. Step 2: Convert to fraction form
    268,199.29/402,147.29 = 88,236.02/x
  3. Step 3: Cross multiply
    268,199.29x = 402,147.29 × 88,236.02
  4. Step 4: Simplify right side
    268,199.29x = 35,483,874,312.65
  5. Step 5: Solve for x
    x = 35,483,874,312.65/268,199.29
  6. Step 6: Final answer
    x = 132,304.13

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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.