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Finding the Fourth Proportional to 159,480.40, 239,220.60 and 48,672.40

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Solution

The fourth proportional to 159,480.40, 239,220.60 and 48,672.40 is: 73,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.40 : 239,220.60 = 48,672.40 : x
  2. Step 2: Convert to fraction form
    159,480.40/239,220.60 = 48,672.40/x
  3. Step 3: Cross multiply
    159,480.40x = 239,220.60 × 48,672.40
  4. Step 4: Simplify right side
    159,480.40x = 11,643,440,731.44
  5. Step 5: Solve for x
    x = 11,643,440,731.44/159,480.40
  6. Step 6: Final answer
    x = 73,008.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.