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Finding the Fourth Proportional to 239,686.67, 330,753.63 and 132,256.45

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Solution

The fourth proportional to 239,686.67, 330,753.63 and 132,256.45 is: 182,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,686.67 : 330,753.63 = 132,256.45 : x
  2. Step 2: Convert to fraction form
    239,686.67/330,753.63 = 132,256.45/x
  3. Step 3: Cross multiply
    239,686.67x = 330,753.63 × 132,256.45
  4. Step 4: Simplify right side
    239,686.67x = 43,744,300,928.41
  5. Step 5: Solve for x
    x = 43,744,300,928.41/239,686.67
  6. Step 6: Final answer
    x = 182,506.19

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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.