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Finding the Fourth Proportional to 86,706.82, 130,060.21 and 24,377.32

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Solution

The fourth proportional to 86,706.82, 130,060.21 and 24,377.32 is: 36,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.82 : 130,060.21 = 24,377.32 : x
  2. Step 2: Convert to fraction form
    86,706.82/130,060.21 = 24,377.32/x
  3. Step 3: Cross multiply
    86,706.82x = 130,060.21 × 24,377.32
  4. Step 4: Simplify right side
    86,706.82x = 3,170,519,358.44
  5. Step 5: Solve for x
    x = 3,170,519,358.44/86,706.82
  6. Step 6: Final answer
    x = 36,565.97

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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.