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Finding the Fourth Proportional to 207,266.80, 310,746.60 and 88,841.20

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Solution

The fourth proportional to 207,266.80, 310,746.60 and 88,841.20 is: 133,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,266.80 : 310,746.60 = 88,841.20 : x
  2. Step 2: Convert to fraction form
    207,266.80/310,746.60 = 88,841.20/x
  3. Step 3: Cross multiply
    207,266.80x = 310,746.60 × 88,841.20
  4. Step 4: Simplify right side
    207,266.80x = 27,607,100,839.92
  5. Step 5: Solve for x
    x = 27,607,100,839.92/207,266.80
  6. Step 6: Final answer
    x = 133,195.96

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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.