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Finding the Fourth Proportional to 224,639.34, 337,031.91 and 66,869.16

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Solution

The fourth proportional to 224,639.34, 337,031.91 and 66,869.16 is: 100,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,639.34 : 337,031.91 = 66,869.16 : x
  2. Step 2: Convert to fraction form
    224,639.34/337,031.91 = 66,869.16/x
  3. Step 3: Cross multiply
    224,639.34x = 337,031.91 × 66,869.16
  4. Step 4: Simplify right side
    224,639.34x = 22,537,040,714.90
  5. Step 5: Solve for x
    x = 22,537,040,714.90/224,639.34
  6. Step 6: Final answer
    x = 100,325.44

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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.