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Finding the Fourth Proportional to 124,456.92, 171,751.23 and 67,867.08

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Solution

The fourth proportional to 124,456.92, 171,751.23 and 67,867.08 is: 93,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,456.92 : 171,751.23 = 67,867.08 : x
  2. Step 2: Convert to fraction form
    124,456.92/171,751.23 = 67,867.08/x
  3. Step 3: Cross multiply
    124,456.92x = 171,751.23 × 67,867.08
  4. Step 4: Simplify right side
    124,456.92x = 11,656,254,466.51
  5. Step 5: Solve for x
    x = 11,656,254,466.51/124,456.92
  6. Step 6: Final answer
    x = 93,656.94

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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.