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Finding the Fourth Proportional to 77,305.90, 115,872.45 and 32,925.10

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Solution

The fourth proportional to 77,305.90, 115,872.45 and 32,925.10 is: 49,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,305.90 : 115,872.45 = 32,925.10 : x
  2. Step 2: Convert to fraction form
    77,305.90/115,872.45 = 32,925.10/x
  3. Step 3: Cross multiply
    77,305.90x = 115,872.45 × 32,925.10
  4. Step 4: Simplify right side
    77,305.90x = 3,815,112,003.50
  5. Step 5: Solve for x
    x = 3,815,112,003.50/77,305.90
  6. Step 6: Final answer
    x = 49,350.85

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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.