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Finding the Fourth Proportional to 96,468.78, 144,752.51 and 45,924.92

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Solution

The fourth proportional to 96,468.78, 144,752.51 and 45,924.92 is: 68,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,468.78 : 144,752.51 = 45,924.92 : x
  2. Step 2: Convert to fraction form
    96,468.78/144,752.51 = 45,924.92/x
  3. Step 3: Cross multiply
    96,468.78x = 144,752.51 × 45,924.92
  4. Step 4: Simplify right side
    96,468.78x = 6,647,746,832.60
  5. Step 5: Solve for x
    x = 6,647,746,832.60/96,468.78
  6. Step 6: Final answer
    x = 68,910.86

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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.