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Finding the Fourth Proportional to 87,099.06, 130,648.29 and 23,919.24

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Solution

The fourth proportional to 87,099.06, 130,648.29 and 23,919.24 is: 35,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,099.06 : 130,648.29 = 23,919.24 : x
  2. Step 2: Convert to fraction form
    87,099.06/130,648.29 = 23,919.24/x
  3. Step 3: Cross multiply
    87,099.06x = 130,648.29 × 23,919.24
  4. Step 4: Simplify right side
    87,099.06x = 3,125,007,804.10
  5. Step 5: Solve for x
    x = 3,125,007,804.10/87,099.06
  6. Step 6: Final answer
    x = 35,878.78

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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.