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Finding the Fourth Proportional to 239,443.70, 330,434.77 and 132,017.57

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Solution

The fourth proportional to 239,443.70, 330,434.77 and 132,017.57 is: 182,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,443.70 : 330,434.77 = 132,017.57 : x
  2. Step 2: Convert to fraction form
    239,443.70/330,434.77 = 132,017.57/x
  3. Step 3: Cross multiply
    239,443.70x = 330,434.77 × 132,017.57
  4. Step 4: Simplify right side
    239,443.70x = 43,623,195,859.11
  5. Step 5: Solve for x
    x = 43,623,195,859.11/239,443.70
  6. Step 6: Final answer
    x = 182,185.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.