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Finding the Fourth Proportional to 192,476.95, 288,715.57 and 52,235.57

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Solution

The fourth proportional to 192,476.95, 288,715.57 and 52,235.57 is: 78,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,476.95 : 288,715.57 = 52,235.57 : x
  2. Step 2: Convert to fraction form
    192,476.95/288,715.57 = 52,235.57/x
  3. Step 3: Cross multiply
    192,476.95x = 288,715.57 × 52,235.57
  4. Step 4: Simplify right side
    192,476.95x = 15,081,222,958.02
  5. Step 5: Solve for x
    x = 15,081,222,958.02/192,476.95
  6. Step 6: Final answer
    x = 78,353.40

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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.