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Finding the Fourth Proportional to 124,610.97, 171,960.92 and 70,894.83

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Solution

The fourth proportional to 124,610.97, 171,960.92 and 70,894.83 is: 97,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,610.97 : 171,960.92 = 70,894.83 : x
  2. Step 2: Convert to fraction form
    124,610.97/171,960.92 = 70,894.83/x
  3. Step 3: Cross multiply
    124,610.97x = 171,960.92 × 70,894.83
  4. Step 4: Simplify right side
    124,610.97x = 12,191,140,190.04
  5. Step 5: Solve for x
    x = 12,191,140,190.04/124,610.97
  6. Step 6: Final answer
    x = 97,833.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.