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Finding the Fourth Proportional to 224,755.82, 310,172.48 and 129,262.61

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Solution

The fourth proportional to 224,755.82, 310,172.48 and 129,262.61 is: 178,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,755.82 : 310,172.48 = 129,262.61 : x
  2. Step 2: Convert to fraction form
    224,755.82/310,172.48 = 129,262.61/x
  3. Step 3: Cross multiply
    224,755.82x = 310,172.48 × 129,262.61
  4. Step 4: Simplify right side
    224,755.82x = 40,093,704,314.97
  5. Step 5: Solve for x
    x = 40,093,704,314.97/224,755.82
  6. Step 6: Final answer
    x = 178,387.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.