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Finding the Fourth Proportional to 192,374.57, 288,561.86 and 52,133.19

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Solution

The fourth proportional to 192,374.57, 288,561.86 and 52,133.19 is: 78,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,374.57 : 288,561.86 = 52,133.19 : x
  2. Step 2: Convert to fraction form
    192,374.57/288,561.86 = 52,133.19/x
  3. Step 3: Cross multiply
    192,374.57x = 288,561.86 × 52,133.19
  4. Step 4: Simplify right side
    192,374.57x = 15,043,650,013.47
  5. Step 5: Solve for x
    x = 15,043,650,013.47/192,374.57
  6. Step 6: Final answer
    x = 78,199.79

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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.