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Finding the Fourth Proportional to 224,240.02, 309,449.97 and 123,638.10

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Solution

The fourth proportional to 224,240.02, 309,449.97 and 123,638.10 is: 170,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.02 : 309,449.97 = 123,638.10 : x
  2. Step 2: Convert to fraction form
    224,240.02/309,449.97 = 123,638.10/x
  3. Step 3: Cross multiply
    224,240.02x = 309,449.97 × 123,638.10
  4. Step 4: Simplify right side
    224,240.02x = 38,259,806,335.86
  5. Step 5: Solve for x
    x = 38,259,806,335.86/224,240.02
  6. Step 6: Final answer
    x = 170,619.88

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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.