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Finding the Fourth Proportional to 192,868.16, 289,329.72 and 59,758.88

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Solution

The fourth proportional to 192,868.16, 289,329.72 and 59,758.88 is: 89,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,868.16 : 289,329.72 = 59,758.88 : x
  2. Step 2: Convert to fraction form
    192,868.16/289,329.72 = 59,758.88/x
  3. Step 3: Cross multiply
    192,868.16x = 289,329.72 × 59,758.88
  4. Step 4: Simplify right side
    192,868.16x = 17,290,020,017.91
  5. Step 5: Solve for x
    x = 17,290,020,017.91/192,868.16
  6. Step 6: Final answer
    x = 89,646.83

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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.