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Finding the Fourth Proportional to 225,548.10, 311,251.61 and 123,568.59

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Solution

The fourth proportional to 225,548.10, 311,251.61 and 123,568.59 is: 170,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,548.10 : 311,251.61 = 123,568.59 : x
  2. Step 2: Convert to fraction form
    225,548.10/311,251.61 = 123,568.59/x
  3. Step 3: Cross multiply
    225,548.10x = 311,251.61 × 123,568.59
  4. Step 4: Simplify right side
    225,548.10x = 38,460,920,408.83
  5. Step 5: Solve for x
    x = 38,460,920,408.83/225,548.10
  6. Step 6: Final answer
    x = 170,522.04

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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.