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Finding the Fourth Proportional to 106,693.76, 147,246 and 58,951.36

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Solution

The fourth proportional to 106,693.76, 147,246 and 58,951.36 is: 81,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,693.76 : 147,246 = 58,951.36 : x
  2. Step 2: Convert to fraction form
    106,693.76/147,246 = 58,951.36/x
  3. Step 3: Cross multiply
    106,693.76x = 147,246 × 58,951.36
  4. Step 4: Simplify right side
    106,693.76x = 8,680,351,954.56
  5. Step 5: Solve for x
    x = 8,680,351,954.56/106,693.76
  6. Step 6: Final answer
    x = 81,357.63

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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.