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Finding the Fourth Proportional to 102,516.32, 153,773.52 and 32,395.64

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Solution

The fourth proportional to 102,516.32, 153,773.52 and 32,395.64 is: 48,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,516.32 : 153,773.52 = 32,395.64 : x
  2. Step 2: Convert to fraction form
    102,516.32/153,773.52 = 32,395.64/x
  3. Step 3: Cross multiply
    102,516.32x = 153,773.52 × 32,395.64
  4. Step 4: Simplify right side
    102,516.32x = 4,981,590,826.59
  5. Step 5: Solve for x
    x = 4,981,590,826.59/102,516.32
  6. Step 6: Final answer
    x = 48,593.15

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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.