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Finding the Fourth Proportional to 175,987.93, 263,917.50 and 63,641.20

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Solution

The fourth proportional to 175,987.93, 263,917.50 and 63,641.20 is: 95,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,987.93 : 263,917.50 = 63,641.20 : x
  2. Step 2: Convert to fraction form
    175,987.93/263,917.50 = 63,641.20/x
  3. Step 3: Cross multiply
    175,987.93x = 263,917.50 × 63,641.20
  4. Step 4: Simplify right side
    175,987.93x = 16,796,026,401
  5. Step 5: Solve for x
    x = 16,796,026,401/175,987.93
  6. Step 6: Final answer
    x = 95,438.51

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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.