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Finding the Fourth Proportional to 158,969.60, 238,108.80 and 96,531.20

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Solution

The fourth proportional to 158,969.60, 238,108.80 and 96,531.20 is: 144,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,969.60 : 238,108.80 = 96,531.20 : x
  2. Step 2: Convert to fraction form
    158,969.60/238,108.80 = 96,531.20/x
  3. Step 3: Cross multiply
    158,969.60x = 238,108.80 × 96,531.20
  4. Step 4: Simplify right side
    158,969.60x = 22,984,928,194.56
  5. Step 5: Solve for x
    x = 22,984,928,194.56/158,969.60
  6. Step 6: Final answer
    x = 144,586.94

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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.