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Finding the Fourth Proportional to 170,340.88, 235,068.51 and 96,752.78

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Solution

The fourth proportional to 170,340.88, 235,068.51 and 96,752.78 is: 133,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,340.88 : 235,068.51 = 96,752.78 : x
  2. Step 2: Convert to fraction form
    170,340.88/235,068.51 = 96,752.78/x
  3. Step 3: Cross multiply
    170,340.88x = 235,068.51 × 96,752.78
  4. Step 4: Simplify right side
    170,340.88x = 22,743,531,832.96
  5. Step 5: Solve for x
    x = 22,743,531,832.96/170,340.88
  6. Step 6: Final answer
    x = 133,517.75

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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.