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Finding the Fourth Proportional to 239,693.53, 330,778.13 and 132,266.72

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Solution

The fourth proportional to 239,693.53, 330,778.13 and 132,266.72 is: 182,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,693.53 : 330,778.13 = 132,266.72 : x
  2. Step 2: Convert to fraction form
    239,693.53/330,778.13 = 132,266.72/x
  3. Step 3: Cross multiply
    239,693.53x = 330,778.13 × 132,266.72
  4. Step 4: Simplify right side
    239,693.53x = 43,750,939,212.45
  5. Step 5: Solve for x
    x = 43,750,939,212.45/239,693.53
  6. Step 6: Final answer
    x = 182,528.66

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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.