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Finding the Fourth Proportional to 192,465.65, 288,679.89 and 59,310.15

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Solution

The fourth proportional to 192,465.65, 288,679.89 and 59,310.15 is: 88,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,465.65 : 288,679.89 = 59,310.15 : x
  2. Step 2: Convert to fraction form
    192,465.65/288,679.89 = 59,310.15/x
  3. Step 3: Cross multiply
    192,465.65x = 288,679.89 × 59,310.15
  4. Step 4: Simplify right side
    192,465.65x = 17,121,647,577.88
  5. Step 5: Solve for x
    x = 17,121,647,577.88/192,465.65
  6. Step 6: Final answer
    x = 88,959.50

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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.