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Finding the Fourth Proportional to 192,868.66, 289,330.47 and 59,759.38

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Solution

The fourth proportional to 192,868.66, 289,330.47 and 59,759.38 is: 89,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,868.66 : 289,330.47 = 59,759.38 : x
  2. Step 2: Convert to fraction form
    192,868.66/289,330.47 = 59,759.38/x
  3. Step 3: Cross multiply
    192,868.66x = 289,330.47 × 59,759.38
  4. Step 4: Simplify right side
    192,868.66x = 17,290,209,502.31
  5. Step 5: Solve for x
    x = 17,290,209,502.31/192,868.66
  6. Step 6: Final answer
    x = 89,647.58

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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.