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Finding the Fourth Proportional to 192,488.58, 288,782.68 and 59,365.88

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Solution

The fourth proportional to 192,488.58, 288,782.68 and 59,365.88 is: 89,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,488.58 : 288,782.68 = 59,365.88 : x
  2. Step 2: Convert to fraction form
    192,488.58/288,782.68 = 59,365.88/x
  3. Step 3: Cross multiply
    192,488.58x = 288,782.68 × 59,365.88
  4. Step 4: Simplify right side
    192,488.58x = 17,143,837,926.96
  5. Step 5: Solve for x
    x = 17,143,837,926.96/192,488.58
  6. Step 6: Final answer
    x = 89,064.18

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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.