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Finding the Fourth Proportional to 158,941.76, 238,407.72 and 65,377.04

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Solution

The fourth proportional to 158,941.76, 238,407.72 and 65,377.04 is: 98,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,941.76 : 238,407.72 = 65,377.04 : x
  2. Step 2: Convert to fraction form
    158,941.76/238,407.72 = 65,377.04/x
  3. Step 3: Cross multiply
    158,941.76x = 238,407.72 × 65,377.04
  4. Step 4: Simplify right side
    158,941.76x = 15,586,391,046.75
  5. Step 5: Solve for x
    x = 15,586,391,046.75/158,941.76
  6. Step 6: Final answer
    x = 98,063.54

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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.