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Finding the Fourth Proportional to 107,907.39, 148,912.29 and 60,159.78

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Solution

The fourth proportional to 107,907.39, 148,912.29 and 60,159.78 is: 83,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,907.39 : 148,912.29 = 60,159.78 : x
  2. Step 2: Convert to fraction form
    107,907.39/148,912.29 = 60,159.78/x
  3. Step 3: Cross multiply
    107,907.39x = 148,912.29 × 60,159.78
  4. Step 4: Simplify right side
    107,907.39x = 8,958,530,605.70
  5. Step 5: Solve for x
    x = 8,958,530,605.70/107,907.39
  6. Step 6: Final answer
    x = 83,020.55

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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.