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Finding the Fourth Proportional to 224,473.56, 336,725.19 and 74,707.80

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Solution

The fourth proportional to 224,473.56, 336,725.19 and 74,707.80 is: 112,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,473.56 : 336,725.19 = 74,707.80 : x
  2. Step 2: Convert to fraction form
    224,473.56/336,725.19 = 74,707.80/x
  3. Step 3: Cross multiply
    224,473.56x = 336,725.19 × 74,707.80
  4. Step 4: Simplify right side
    224,473.56x = 25,155,998,149.48
  5. Step 5: Solve for x
    x = 25,155,998,149.48/224,473.56
  6. Step 6: Final answer
    x = 112,066.64

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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.