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Finding the Fourth Proportional to 107,757.54, 148,560.44 and 75,448.70

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Solution

The fourth proportional to 107,757.54, 148,560.44 and 75,448.70 is: 104,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.54 : 148,560.44 = 75,448.70 : x
  2. Step 2: Convert to fraction form
    107,757.54/148,560.44 = 75,448.70/x
  3. Step 3: Cross multiply
    107,757.54x = 148,560.44 × 75,448.70
  4. Step 4: Simplify right side
    107,757.54x = 11,208,692,069.43
  5. Step 5: Solve for x
    x = 11,208,692,069.43/107,757.54
  6. Step 6: Final answer
    x = 104,017.71

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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.