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Finding the Fourth Proportional to 107,067.70, 160,601.55 and 97,226.20

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Solution

The fourth proportional to 107,067.70, 160,601.55 and 97,226.20 is: 145,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,067.70 : 160,601.55 = 97,226.20 : x
  2. Step 2: Convert to fraction form
    107,067.70/160,601.55 = 97,226.20/x
  3. Step 3: Cross multiply
    107,067.70x = 160,601.55 × 97,226.20
  4. Step 4: Simplify right side
    107,067.70x = 15,614,678,420.61
  5. Step 5: Solve for x
    x = 15,614,678,420.61/107,067.70
  6. Step 6: Final answer
    x = 145,839.30

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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.