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Finding the Fourth Proportional to 106,342.65, 146,751.68 and 60,401.98

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Solution

The fourth proportional to 106,342.65, 146,751.68 and 60,401.98 is: 83,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,342.65 : 146,751.68 = 60,401.98 : x
  2. Step 2: Convert to fraction form
    106,342.65/146,751.68 = 60,401.98/x
  3. Step 3: Cross multiply
    106,342.65x = 146,751.68 × 60,401.98
  4. Step 4: Simplify right side
    106,342.65x = 8,864,092,040.33
  5. Step 5: Solve for x
    x = 8,864,092,040.33/106,342.65
  6. Step 6: Final answer
    x = 83,354.06

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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.