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Finding the Fourth Proportional to 239,466.42, 330,465.96 and 132,040.80

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Solution

The fourth proportional to 239,466.42, 330,465.96 and 132,040.80 is: 182,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,466.42 : 330,465.96 = 132,040.80 : x
  2. Step 2: Convert to fraction form
    239,466.42/330,465.96 = 132,040.80/x
  3. Step 3: Cross multiply
    239,466.42x = 330,465.96 × 132,040.80
  4. Step 4: Simplify right side
    239,466.42x = 43,634,989,731.17
  5. Step 5: Solve for x
    x = 43,634,989,731.17/239,466.42
  6. Step 6: Final answer
    x = 182,217.57

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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.