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Finding the Fourth Proportional to 97,860.68, 146,791.02 and 38,724.20

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Solution

The fourth proportional to 97,860.68, 146,791.02 and 38,724.20 is: 58,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,860.68 : 146,791.02 = 38,724.20 : x
  2. Step 2: Convert to fraction form
    97,860.68/146,791.02 = 38,724.20/x
  3. Step 3: Cross multiply
    97,860.68x = 146,791.02 × 38,724.20
  4. Step 4: Simplify right side
    97,860.68x = 5,684,364,816.68
  5. Step 5: Solve for x
    x = 5,684,364,816.68/97,860.68
  6. Step 6: Final answer
    x = 58,086.30

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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.