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Finding the Fourth Proportional to 224,730.73, 310,102.45 and 129,268.18

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Solution

The fourth proportional to 224,730.73, 310,102.45 and 129,268.18 is: 178,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,730.73 : 310,102.45 = 129,268.18 : x
  2. Step 2: Convert to fraction form
    224,730.73/310,102.45 = 129,268.18/x
  3. Step 3: Cross multiply
    224,730.73x = 310,102.45 × 129,268.18
  4. Step 4: Simplify right side
    224,730.73x = 40,086,379,325.04
  5. Step 5: Solve for x
    x = 40,086,379,325.04/224,730.73
  6. Step 6: Final answer
    x = 178,375.16

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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.