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Finding the Fourth Proportional to 192,471.97, 288,689.38 and 59,316.48

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Solution

The fourth proportional to 192,471.97, 288,689.38 and 59,316.48 is: 88,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,471.97 : 288,689.38 = 59,316.48 : x
  2. Step 2: Convert to fraction form
    192,471.97/288,689.38 = 59,316.48/x
  3. Step 3: Cross multiply
    192,471.97x = 288,689.38 × 59,316.48
  4. Step 4: Simplify right side
    192,471.97x = 17,124,037,834.98
  5. Step 5: Solve for x
    x = 17,124,037,834.98/192,471.97
  6. Step 6: Final answer
    x = 88,969.00

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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.