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Finding the Fourth Proportional to 67,983.60, 101,975.40 and 57,923.40

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Solution

The fourth proportional to 67,983.60, 101,975.40 and 57,923.40 is: 86,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.60 : 101,975.40 = 57,923.40 : x
  2. Step 2: Convert to fraction form
    67,983.60/101,975.40 = 57,923.40/x
  3. Step 3: Cross multiply
    67,983.60x = 101,975.40 × 57,923.40
  4. Step 4: Simplify right side
    67,983.60x = 5,906,761,884.36
  5. Step 5: Solve for x
    x = 5,906,761,884.36/67,983.60
  6. Step 6: Final answer
    x = 86,885.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.