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Finding the Fourth Proportional to 224,464.08, 309,760.20 and 123,868.88

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Solution

The fourth proportional to 224,464.08, 309,760.20 and 123,868.88 is: 170,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,464.08 : 309,760.20 = 123,868.88 : x
  2. Step 2: Convert to fraction form
    224,464.08/309,760.20 = 123,868.88/x
  3. Step 3: Cross multiply
    224,464.08x = 309,760.20 × 123,868.88
  4. Step 4: Simplify right side
    224,464.08x = 38,369,649,042.58
  5. Step 5: Solve for x
    x = 38,369,649,042.58/224,464.08
  6. Step 6: Final answer
    x = 170,938.93

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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.