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Finding the Fourth Proportional to 239,332.59, 330,264.14 and 131,896.62

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Solution

The fourth proportional to 239,332.59, 330,264.14 and 131,896.62 is: 182,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,332.59 : 330,264.14 = 131,896.62 : x
  2. Step 2: Convert to fraction form
    239,332.59/330,264.14 = 131,896.62/x
  3. Step 3: Cross multiply
    239,332.59x = 330,264.14 × 131,896.62
  4. Step 4: Simplify right side
    239,332.59x = 43,560,723,113.72
  5. Step 5: Solve for x
    x = 43,560,723,113.72/239,332.59
  6. Step 6: Final answer
    x = 182,009.16

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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.