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Finding the Fourth Proportional to 239,273.57, 358,972.65 and 89,525.57

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Solution

The fourth proportional to 239,273.57, 358,972.65 and 89,525.57 is: 134,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,273.57 : 358,972.65 = 89,525.57 : x
  2. Step 2: Convert to fraction form
    239,273.57/358,972.65 = 89,525.57/x
  3. Step 3: Cross multiply
    239,273.57x = 358,972.65 × 89,525.57
  4. Step 4: Simplify right side
    239,273.57x = 32,137,229,310.80
  5. Step 5: Solve for x
    x = 32,137,229,310.80/239,273.57
  6. Step 6: Final answer
    x = 134,311.66

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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.