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Finding the Fourth Proportional to 124,614.57, 171,971.06 and 68,026.35

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Solution

The fourth proportional to 124,614.57, 171,971.06 and 68,026.35 is: 93,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.57 : 171,971.06 = 68,026.35 : x
  2. Step 2: Convert to fraction form
    124,614.57/171,971.06 = 68,026.35/x
  3. Step 3: Cross multiply
    124,614.57x = 171,971.06 × 68,026.35
  4. Step 4: Simplify right side
    124,614.57x = 11,698,563,177.30
  5. Step 5: Solve for x
    x = 11,698,563,177.30/124,614.57
  6. Step 6: Final answer
    x = 93,877.97

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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.