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Finding the Fourth Proportional to 173,763.92, 260,628.60 and 80,268.32

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Solution

The fourth proportional to 173,763.92, 260,628.60 and 80,268.32 is: 120,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,763.92 : 260,628.60 = 80,268.32 : x
  2. Step 2: Convert to fraction form
    173,763.92/260,628.60 = 80,268.32/x
  3. Step 3: Cross multiply
    173,763.92x = 260,628.60 × 80,268.32
  4. Step 4: Simplify right side
    173,763.92x = 20,920,219,865.95
  5. Step 5: Solve for x
    x = 20,920,219,865.95/173,763.92
  6. Step 6: Final answer
    x = 120,394.50

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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.