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Finding the Fourth Proportional to 170,696.43, 256,084.47 and 58,377.51

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Solution

The fourth proportional to 170,696.43, 256,084.47 and 58,377.51 is: 87,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,696.43 : 256,084.47 = 58,377.51 : x
  2. Step 2: Convert to fraction form
    170,696.43/256,084.47 = 58,377.51/x
  3. Step 3: Cross multiply
    170,696.43x = 256,084.47 × 58,377.51
  4. Step 4: Simplify right side
    170,696.43x = 14,949,573,708.27
  5. Step 5: Solve for x
    x = 14,949,573,708.27/170,696.43
  6. Step 6: Final answer
    x = 87,579.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.