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Finding the Fourth Proportional to 68,894.80, 95,050.32 and 45,035.24

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Solution

The fourth proportional to 68,894.80, 95,050.32 and 45,035.24 is: 62,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894.80 : 95,050.32 = 45,035.24 : x
  2. Step 2: Convert to fraction form
    68,894.80/95,050.32 = 45,035.24/x
  3. Step 3: Cross multiply
    68,894.80x = 95,050.32 × 45,035.24
  4. Step 4: Simplify right side
    68,894.80x = 4,280,613,973.28
  5. Step 5: Solve for x
    x = 4,280,613,973.28/68,894.80
  6. Step 6: Final answer
    x = 62,132.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.