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Finding the Fourth Proportional to 239,697.71, 359,706.94 and 99,456.33

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Solution

The fourth proportional to 239,697.71, 359,706.94 and 99,456.33 is: 149,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,697.71 : 359,706.94 = 99,456.33 : x
  2. Step 2: Convert to fraction form
    239,697.71/359,706.94 = 99,456.33/x
  3. Step 3: Cross multiply
    239,697.71x = 359,706.94 × 99,456.33
  4. Step 4: Simplify right side
    239,697.71x = 35,775,131,879.29
  5. Step 5: Solve for x
    x = 35,775,131,879.29/239,697.71
  6. Step 6: Final answer
    x = 149,251.04

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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.