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Finding the Fourth Proportional to 192,010.59, 287,990.60 and 57,071.79

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Solution

The fourth proportional to 192,010.59, 287,990.60 and 57,071.79 is: 85,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,010.59 : 287,990.60 = 57,071.79 : x
  2. Step 2: Convert to fraction form
    192,010.59/287,990.60 = 57,071.79/x
  3. Step 3: Cross multiply
    192,010.59x = 287,990.60 × 57,071.79
  4. Step 4: Simplify right side
    192,010.59x = 16,436,138,759.82
  5. Step 5: Solve for x
    x = 16,436,138,759.82/192,010.59
  6. Step 6: Final answer
    x = 85,600.17

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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.