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Finding the Fourth Proportional to 115,550.78, 173,335.98 and 32,444.78

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Solution

The fourth proportional to 115,550.78, 173,335.98 and 32,444.78 is: 48,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.78 : 173,335.98 = 32,444.78 : x
  2. Step 2: Convert to fraction form
    115,550.78/173,335.98 = 32,444.78/x
  3. Step 3: Cross multiply
    115,550.78x = 173,335.98 × 32,444.78
  4. Step 4: Simplify right side
    115,550.78x = 5,623,847,737.18
  5. Step 5: Solve for x
    x = 5,623,847,737.18/115,550.78
  6. Step 6: Final answer
    x = 48,669.92

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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.