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Finding the Fourth Proportional to 170,376.67, 235,121.41 and 93,898.56

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Solution

The fourth proportional to 170,376.67, 235,121.41 and 93,898.56 is: 129,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,376.67 : 235,121.41 = 93,898.56 : x
  2. Step 2: Convert to fraction form
    170,376.67/235,121.41 = 93,898.56/x
  3. Step 3: Cross multiply
    170,376.67x = 235,121.41 × 93,898.56
  4. Step 4: Simplify right side
    170,376.67x = 22,077,561,824.17
  5. Step 5: Solve for x
    x = 22,077,561,824.17/170,376.67
  6. Step 6: Final answer
    x = 129,580.90

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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.