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Finding the Fourth Proportional to 124,601.10, 171,943.47 and 68,009.10

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Solution

The fourth proportional to 124,601.10, 171,943.47 and 68,009.10 is: 93,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,601.10 : 171,943.47 = 68,009.10 : x
  2. Step 2: Convert to fraction form
    124,601.10/171,943.47 = 68,009.10/x
  3. Step 3: Cross multiply
    124,601.10x = 171,943.47 × 68,009.10
  4. Step 4: Simplify right side
    124,601.10x = 11,693,720,645.58
  5. Step 5: Solve for x
    x = 11,693,720,645.58/124,601.10
  6. Step 6: Final answer
    x = 93,849.26

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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.