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Finding the Fourth Proportional to 224,712.60, 337,068.90 and 135,920.40

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Solution

The fourth proportional to 224,712.60, 337,068.90 and 135,920.40 is: 203,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,712.60 : 337,068.90 = 135,920.40 : x
  2. Step 2: Convert to fraction form
    224,712.60/337,068.90 = 135,920.40/x
  3. Step 3: Cross multiply
    224,712.60x = 337,068.90 × 135,920.40
  4. Step 4: Simplify right side
    224,712.60x = 45,814,539,715.56
  5. Step 5: Solve for x
    x = 45,814,539,715.56/224,712.60
  6. Step 6: Final answer
    x = 203,880.60

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1.5x scale

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.