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Finding the Fourth Proportional to 151,616.88, 227,192.04 and 89,218.80

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Solution

The fourth proportional to 151,616.88, 227,192.04 and 89,218.80 is: 133,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,616.88 : 227,192.04 = 89,218.80 : x
  2. Step 2: Convert to fraction form
    151,616.88/227,192.04 = 89,218.80/x
  3. Step 3: Cross multiply
    151,616.88x = 227,192.04 × 89,218.80
  4. Step 4: Simplify right side
    151,616.88x = 20,269,801,178.35
  5. Step 5: Solve for x
    x = 20,269,801,178.35/151,616.88
  6. Step 6: Final answer
    x = 133,690.93

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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.