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Finding the Fourth Proportional to 224,869.40, 337,433.70 and 84,728.60

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Solution

The fourth proportional to 224,869.40, 337,433.70 and 84,728.60 is: 127,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,869.40 : 337,433.70 = 84,728.60 : x
  2. Step 2: Convert to fraction form
    224,869.40/337,433.70 = 84,728.60/x
  3. Step 3: Cross multiply
    224,869.40x = 337,433.70 × 84,728.60
  4. Step 4: Simplify right side
    224,869.40x = 28,590,284,993.82
  5. Step 5: Solve for x
    x = 28,590,284,993.82/224,869.40
  6. Step 6: Final answer
    x = 127,141.73

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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.