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Finding the Fourth Proportional to 121,050, 167,049 and 68,058

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Solution

The fourth proportional to 121,050, 167,049 and 68,058 is: 93,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,050 : 167,049 = 68,058 : x
  2. Step 2: Convert to fraction form
    121,050/167,049 = 68,058/x
  3. Step 3: Cross multiply
    121,050x = 167,049 × 68,058
  4. Step 4: Simplify right side
    121,050x = 11,369,020,842
  5. Step 5: Solve for x
    x = 11,369,020,842/121,050
  6. Step 6: Final answer
    x = 93,920.04

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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.