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Finding the Fourth Proportional to 170,708.81, 256,624.13 and 158,377.77

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Solution

The fourth proportional to 170,708.81, 256,624.13 and 158,377.77 is: 238,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,708.81 : 256,624.13 = 158,377.77 : x
  2. Step 2: Convert to fraction form
    170,708.81/256,624.13 = 158,377.77/x
  3. Step 3: Cross multiply
    170,708.81x = 256,624.13 × 158,377.77
  4. Step 4: Simplify right side
    170,708.81x = 40,643,557,833.53
  5. Step 5: Solve for x
    x = 40,643,557,833.53/170,708.81
  6. Step 6: Final answer
    x = 238,087.06

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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.