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Finding the Fourth Proportional to 192,488.35, 288,765.33 and 59,343.79

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Solution

The fourth proportional to 192,488.35, 288,765.33 and 59,343.79 is: 89,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,488.35 : 288,765.33 = 59,343.79 : x
  2. Step 2: Convert to fraction form
    192,488.35/288,765.33 = 59,343.79/x
  3. Step 3: Cross multiply
    192,488.35x = 288,765.33 × 59,343.79
  4. Step 4: Simplify right side
    192,488.35x = 17,136,428,866.69
  5. Step 5: Solve for x
    x = 17,136,428,866.69/192,488.35
  6. Step 6: Final answer
    x = 89,025.80

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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.