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Finding the Fourth Proportional to 192,885.60, 289,328.40 and 173,251.20

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Solution

The fourth proportional to 192,885.60, 289,328.40 and 173,251.20 is: 259,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,885.60 : 289,328.40 = 173,251.20 : x
  2. Step 2: Convert to fraction form
    192,885.60/289,328.40 = 173,251.20/x
  3. Step 3: Cross multiply
    192,885.60x = 289,328.40 × 173,251.20
  4. Step 4: Simplify right side
    192,885.60x = 50,126,492,494.08
  5. Step 5: Solve for x
    x = 50,126,492,494.08/192,885.60
  6. Step 6: Final answer
    x = 259,876.80

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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.