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Finding the Fourth Proportional to 224,702.88, 337,050.90 and 66,931.35

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Solution

The fourth proportional to 224,702.88, 337,050.90 and 66,931.35 is: 100,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,702.88 : 337,050.90 = 66,931.35 : x
  2. Step 2: Convert to fraction form
    224,702.88/337,050.90 = 66,931.35/x
  3. Step 3: Cross multiply
    224,702.88x = 337,050.90 × 66,931.35
  4. Step 4: Simplify right side
    224,702.88x = 22,559,271,755.72
  5. Step 5: Solve for x
    x = 22,559,271,755.72/224,702.88
  6. Step 6: Final answer
    x = 100,396.01

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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.