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Finding the Fourth Proportional to 158,751.72, 237,961.98 and 53,534.52

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Solution

The fourth proportional to 158,751.72, 237,961.98 and 53,534.52 is: 80,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,751.72 : 237,961.98 = 53,534.52 : x
  2. Step 2: Convert to fraction form
    158,751.72/237,961.98 = 53,534.52/x
  3. Step 3: Cross multiply
    158,751.72x = 237,961.98 × 53,534.52
  4. Step 4: Simplify right side
    158,751.72x = 12,739,180,377.55
  5. Step 5: Solve for x
    x = 12,739,180,377.55/158,751.72
  6. Step 6: Final answer
    x = 80,245.94

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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.