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Finding the Fourth Proportional to 178,207.75, 266,977.90 and 89,357.23

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Solution

The fourth proportional to 178,207.75, 266,977.90 and 89,357.23 is: 133,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,207.75 : 266,977.90 = 89,357.23 : x
  2. Step 2: Convert to fraction form
    178,207.75/266,977.90 = 89,357.23/x
  3. Step 3: Cross multiply
    178,207.75x = 266,977.90 × 89,357.23
  4. Step 4: Simplify right side
    178,207.75x = 23,856,405,615.22
  5. Step 5: Solve for x
    x = 23,856,405,615.22/178,207.75
  6. Step 6: Final answer
    x = 133,868.51

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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.