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Finding the Fourth Proportional to 177,894.84, 266,874.60 and 84,399.72

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Solution

The fourth proportional to 177,894.84, 266,874.60 and 84,399.72 is: 126,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,894.84 : 266,874.60 = 84,399.72 : x
  2. Step 2: Convert to fraction form
    177,894.84/266,874.60 = 84,399.72/x
  3. Step 3: Cross multiply
    177,894.84x = 266,874.60 × 84,399.72
  4. Step 4: Simplify right side
    177,894.84x = 22,524,141,515.11
  5. Step 5: Solve for x
    x = 22,524,141,515.11/177,894.84
  6. Step 6: Final answer
    x = 126,614.92

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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.