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Finding the Fourth Proportional to 224,491.04, 309,796.56 and 123,895.20

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Solution

The fourth proportional to 224,491.04, 309,796.56 and 123,895.20 is: 170,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,491.04 : 309,796.56 = 123,895.20 : x
  2. Step 2: Convert to fraction form
    224,491.04/309,796.56 = 123,895.20/x
  3. Step 3: Cross multiply
    224,491.04x = 309,796.56 × 123,895.20
  4. Step 4: Simplify right side
    224,491.04x = 38,382,306,760.51
  5. Step 5: Solve for x
    x = 38,382,306,760.51/224,491.04
  6. Step 6: Final answer
    x = 170,974.78

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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.