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Finding the Fourth Proportional to 131,751.41, 197,627.39 and 61,679.93

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Solution

The fourth proportional to 131,751.41, 197,627.39 and 61,679.93 is: 92,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.41 : 197,627.39 = 61,679.93 : x
  2. Step 2: Convert to fraction form
    131,751.41/197,627.39 = 61,679.93/x
  3. Step 3: Cross multiply
    131,751.41x = 197,627.39 × 61,679.93
  4. Step 4: Simplify right side
    131,751.41x = 12,189,643,581.28
  5. Step 5: Solve for x
    x = 12,189,643,581.28/131,751.41
  6. Step 6: Final answer
    x = 92,520.02

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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.