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Finding the Fourth Proportional to 192,218.96, 287,760.67 and 141,965.35

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Solution

The fourth proportional to 192,218.96, 287,760.67 and 141,965.35 is: 212,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,218.96 : 287,760.67 = 141,965.35 : x
  2. Step 2: Convert to fraction form
    192,218.96/287,760.67 = 141,965.35/x
  3. Step 3: Cross multiply
    192,218.96x = 287,760.67 × 141,965.35
  4. Step 4: Simplify right side
    192,218.96x = 40,852,044,232.78
  5. Step 5: Solve for x
    x = 40,852,044,232.78/192,218.96
  6. Step 6: Final answer
    x = 212,528.69

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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.