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Finding the Fourth Proportional to 107,757.75, 148,695.04 and 60,015.54

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Solution

The fourth proportional to 107,757.75, 148,695.04 and 60,015.54 is: 82,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.75 : 148,695.04 = 60,015.54 : x
  2. Step 2: Convert to fraction form
    107,757.75/148,695.04 = 60,015.54/x
  3. Step 3: Cross multiply
    107,757.75x = 148,695.04 × 60,015.54
  4. Step 4: Simplify right side
    107,757.75x = 8,924,012,077.37
  5. Step 5: Solve for x
    x = 8,924,012,077.37/107,757.75
  6. Step 6: Final answer
    x = 82,815.51

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1.5x scale

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.