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Finding the Fourth Proportional to 239,733.30, 330,838.65 and 132,311.64

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Solution

The fourth proportional to 239,733.30, 330,838.65 and 132,311.64 is: 182,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,733.30 : 330,838.65 = 132,311.64 : x
  2. Step 2: Convert to fraction form
    239,733.30/330,838.65 = 132,311.64/x
  3. Step 3: Cross multiply
    239,733.30x = 330,838.65 × 132,311.64
  4. Step 4: Simplify right side
    239,733.30x = 43,773,804,356.89
  5. Step 5: Solve for x
    x = 43,773,804,356.89/239,733.30
  6. Step 6: Final answer
    x = 182,593.76

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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.