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Finding the Fourth Proportional to 106,441.32, 146,890.02 and 58,696.38

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Solution

The fourth proportional to 106,441.32, 146,890.02 and 58,696.38 is: 81,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,441.32 : 146,890.02 = 58,696.38 : x
  2. Step 2: Convert to fraction form
    106,441.32/146,890.02 = 58,696.38/x
  3. Step 3: Cross multiply
    106,441.32x = 146,890.02 × 58,696.38
  4. Step 4: Simplify right side
    106,441.32x = 8,621,912,432.13
  5. Step 5: Solve for x
    x = 8,621,912,432.13/106,441.32
  6. Step 6: Final answer
    x = 81,001.55

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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.