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Finding the Fourth Proportional to 192,060.40, 287,572.20 and 192,060.40

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Solution

The fourth proportional to 192,060.40, 287,572.20 and 192,060.40 is: 287,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,060.40 : 287,572.20 = 192,060.40 : x
  2. Step 2: Convert to fraction form
    192,060.40/287,572.20 = 192,060.40/x
  3. Step 3: Cross multiply
    192,060.40x = 287,572.20 × 192,060.40
  4. Step 4: Simplify right side
    192,060.40x = 55,231,231,760.88
  5. Step 5: Solve for x
    x = 55,231,231,760.88/192,060.40
  6. Step 6: Final answer
    x = 287,572.20

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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.