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Finding the Fourth Proportional to 239,486.50, 330,487.72 and 132,053.77

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Solution

The fourth proportional to 239,486.50, 330,487.72 and 132,053.77 is: 182,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,486.50 : 330,487.72 = 132,053.77 : x
  2. Step 2: Convert to fraction form
    239,486.50/330,487.72 = 132,053.77/x
  3. Step 3: Cross multiply
    239,486.50x = 330,487.72 × 132,053.77
  4. Step 4: Simplify right side
    239,486.50x = 43,642,149,364.70
  5. Step 5: Solve for x
    x = 43,642,149,364.70/239,486.50
  6. Step 6: Final answer
    x = 182,232.19

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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.