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Finding the Fourth Proportional to 160,919.40, 241,379.10 and 149,255.40

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Solution

The fourth proportional to 160,919.40, 241,379.10 and 149,255.40 is: 223,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,919.40 : 241,379.10 = 149,255.40 : x
  2. Step 2: Convert to fraction form
    160,919.40/241,379.10 = 149,255.40/x
  3. Step 3: Cross multiply
    160,919.40x = 241,379.10 × 149,255.40
  4. Step 4: Simplify right side
    160,919.40x = 36,027,134,122.14
  5. Step 5: Solve for x
    x = 36,027,134,122.14/160,919.40
  6. Step 6: Final answer
    x = 223,883.10

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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.