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Finding the Fourth Proportional to 224,068.75, 309,229.86 and 123,466.75

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Solution

The fourth proportional to 224,068.75, 309,229.86 and 123,466.75 is: 170,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,068.75 : 309,229.86 = 123,466.75 : x
  2. Step 2: Convert to fraction form
    224,068.75/309,229.86 = 123,466.75/x
  3. Step 3: Cross multiply
    224,068.75x = 309,229.86 × 123,466.75
  4. Step 4: Simplify right side
    224,068.75x = 38,179,605,817.16
  5. Step 5: Solve for x
    x = 38,179,605,817.16/224,068.75
  6. Step 6: Final answer
    x = 170,392.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.