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Finding the Fourth Proportional to 107,270.59, 148,062.13 and 66,960.08

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Solution

The fourth proportional to 107,270.59, 148,062.13 and 66,960.08 is: 92,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,270.59 : 148,062.13 = 66,960.08 : x
  2. Step 2: Convert to fraction form
    107,270.59/148,062.13 = 66,960.08/x
  3. Step 3: Cross multiply
    107,270.59x = 148,062.13 × 66,960.08
  4. Step 4: Simplify right side
    107,270.59x = 9,914,251,300.87
  5. Step 5: Solve for x
    x = 9,914,251,300.87/107,270.59
  6. Step 6: Final answer
    x = 92,422.83

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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.