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Finding the Fourth Proportional to 224,830.80, 337,116.60 and 84,603.60

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Solution

The fourth proportional to 224,830.80, 337,116.60 and 84,603.60 is: 126,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,830.80 : 337,116.60 = 84,603.60 : x
  2. Step 2: Convert to fraction form
    224,830.80/337,116.60 = 84,603.60/x
  3. Step 3: Cross multiply
    224,830.80x = 337,116.60 × 84,603.60
  4. Step 4: Simplify right side
    224,830.80x = 28,521,277,979.76
  5. Step 5: Solve for x
    x = 28,521,277,979.76/224,830.80
  6. Step 6: Final answer
    x = 126,856.63

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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.