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Finding the Fourth Proportional to 124,595.52, 171,942.03 and 68,006.94

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Solution

The fourth proportional to 124,595.52, 171,942.03 and 68,006.94 is: 93,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,595.52 : 171,942.03 = 68,006.94 : x
  2. Step 2: Convert to fraction form
    124,595.52/171,942.03 = 68,006.94/x
  3. Step 3: Cross multiply
    124,595.52x = 171,942.03 × 68,006.94
  4. Step 4: Simplify right side
    124,595.52x = 11,693,251,317.69
  5. Step 5: Solve for x
    x = 11,693,251,317.69/124,595.52
  6. Step 6: Final answer
    x = 93,849.69

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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.