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Finding the Fourth Proportional to 173,894.20, 260,841.30 and 80,582.20

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Solution

The fourth proportional to 173,894.20, 260,841.30 and 80,582.20 is: 120,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,894.20 : 260,841.30 = 80,582.20 : x
  2. Step 2: Convert to fraction form
    173,894.20/260,841.30 = 80,582.20/x
  3. Step 3: Cross multiply
    173,894.20x = 260,841.30 × 80,582.20
  4. Step 4: Simplify right side
    173,894.20x = 21,019,165,804.86
  5. Step 5: Solve for x
    x = 21,019,165,804.86/173,894.20
  6. Step 6: Final answer
    x = 120,873.30

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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.