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Finding the Fourth Proportional to 173,464.40, 260,023.80 and 79,806.80

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Solution

The fourth proportional to 173,464.40, 260,023.80 and 79,806.80 is: 119,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,464.40 : 260,023.80 = 79,806.80 : x
  2. Step 2: Convert to fraction form
    173,464.40/260,023.80 = 79,806.80/x
  3. Step 3: Cross multiply
    173,464.40x = 260,023.80 × 79,806.80
  4. Step 4: Simplify right side
    173,464.40x = 20,751,667,401.84
  5. Step 5: Solve for x
    x = 20,751,667,401.84/173,464.40
  6. Step 6: Final answer
    x = 119,630.70

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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.