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Finding the Fourth Proportional to 169,443.59, 254,000.13 and 80,673.26

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Solution

The fourth proportional to 169,443.59, 254,000.13 and 80,673.26 is: 120,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,443.59 : 254,000.13 = 80,673.26 : x
  2. Step 2: Convert to fraction form
    169,443.59/254,000.13 = 80,673.26/x
  3. Step 3: Cross multiply
    169,443.59x = 254,000.13 × 80,673.26
  4. Step 4: Simplify right side
    169,443.59x = 20,491,018,527.52
  5. Step 5: Solve for x
    x = 20,491,018,527.52/169,443.59
  6. Step 6: Final answer
    x = 120,931.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.