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Finding the Fourth Proportional to 173,345.20, 260,017.80 and 80,033.20

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Solution

The fourth proportional to 173,345.20, 260,017.80 and 80,033.20 is: 120,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,345.20 : 260,017.80 = 80,033.20 : x
  2. Step 2: Convert to fraction form
    173,345.20/260,017.80 = 80,033.20/x
  3. Step 3: Cross multiply
    173,345.20x = 260,017.80 × 80,033.20
  4. Step 4: Simplify right side
    173,345.20x = 20,810,056,590.96
  5. Step 5: Solve for x
    x = 20,810,056,590.96/173,345.20
  6. Step 6: Final answer
    x = 120,049.80

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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.