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Finding the Fourth Proportional to 95,319.84, 131,558.50 and 55,028

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Solution

The fourth proportional to 95,319.84, 131,558.50 and 55,028 is: 75,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,319.84 : 131,558.50 = 55,028 : x
  2. Step 2: Convert to fraction form
    95,319.84/131,558.50 = 55,028/x
  3. Step 3: Cross multiply
    95,319.84x = 131,558.50 × 55,028
  4. Step 4: Simplify right side
    95,319.84x = 7,239,401,138
  5. Step 5: Solve for x
    x = 7,239,401,138/95,319.84
  6. Step 6: Final answer
    x = 75,948.52

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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.