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Finding the Fourth Proportional to 169,943.52, 254,915.25 and 80,927.13

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Solution

The fourth proportional to 169,943.52, 254,915.25 and 80,927.13 is: 121,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,943.52 : 254,915.25 = 80,927.13 : x
  2. Step 2: Convert to fraction form
    169,943.52/254,915.25 = 80,927.13/x
  3. Step 3: Cross multiply
    169,943.52x = 254,915.25 × 80,927.13
  4. Step 4: Simplify right side
    169,943.52x = 20,629,559,575.73
  5. Step 5: Solve for x
    x = 20,629,559,575.73/169,943.52
  6. Step 6: Final answer
    x = 121,390.68

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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.