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Finding the Fourth Proportional to 224,808.40, 337,115.40 and 112,445.20

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Solution

The fourth proportional to 224,808.40, 337,115.40 and 112,445.20 is: 168,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,808.40 : 337,115.40 = 112,445.20 : x
  2. Step 2: Convert to fraction form
    224,808.40/337,115.40 = 112,445.20/x
  3. Step 3: Cross multiply
    224,808.40x = 337,115.40 × 112,445.20
  4. Step 4: Simplify right side
    224,808.40x = 37,907,008,576.08
  5. Step 5: Solve for x
    x = 37,907,008,576.08/224,808.40
  6. Step 6: Final answer
    x = 168,619.18

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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.