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Finding the Fourth Proportional to 192,401.70, 288,602.54 and 52,156.68

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Solution

The fourth proportional to 192,401.70, 288,602.54 and 52,156.68 is: 78,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,401.70 : 288,602.54 = 52,156.68 : x
  2. Step 2: Convert to fraction form
    192,401.70/288,602.54 = 52,156.68/x
  3. Step 3: Cross multiply
    192,401.70x = 288,602.54 × 52,156.68
  4. Step 4: Simplify right side
    192,401.70x = 15,052,550,325.97
  5. Step 5: Solve for x
    x = 15,052,550,325.97/192,401.70
  6. Step 6: Final answer
    x = 78,235.02

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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.