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Finding the Fourth Proportional to 177,231.70, 266,020.35 and 88,585.30

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Solution

The fourth proportional to 177,231.70, 266,020.35 and 88,585.30 is: 132,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,231.70 : 266,020.35 = 88,585.30 : x
  2. Step 2: Convert to fraction form
    177,231.70/266,020.35 = 88,585.30/x
  3. Step 3: Cross multiply
    177,231.70x = 266,020.35 × 88,585.30
  4. Step 4: Simplify right side
    177,231.70x = 23,565,492,510.86
  5. Step 5: Solve for x
    x = 23,565,492,510.86/177,231.70
  6. Step 6: Final answer
    x = 132,964.32

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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.