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Finding the Fourth Proportional to 100,371.86, 150,510.13 and 58,264.85

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Solution

The fourth proportional to 100,371.86, 150,510.13 and 58,264.85 is: 87,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,371.86 : 150,510.13 = 58,264.85 : x
  2. Step 2: Convert to fraction form
    100,371.86/150,510.13 = 58,264.85/x
  3. Step 3: Cross multiply
    100,371.86x = 150,510.13 × 58,264.85
  4. Step 4: Simplify right side
    100,371.86x = 8,769,450,706.28
  5. Step 5: Solve for x
    x = 8,769,450,706.28/100,371.86
  6. Step 6: Final answer
    x = 87,369.62

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1.5x scale

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.