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Finding the Fourth Proportional to 239,842.99, 359,701.80 and 71,317.93

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Solution

The fourth proportional to 239,842.99, 359,701.80 and 71,317.93 is: 106,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,842.99 : 359,701.80 = 71,317.93 : x
  2. Step 2: Convert to fraction form
    239,842.99/359,701.80 = 71,317.93/x
  3. Step 3: Cross multiply
    239,842.99x = 359,701.80 × 71,317.93
  4. Step 4: Simplify right side
    239,842.99x = 25,653,187,793.27
  5. Step 5: Solve for x
    x = 25,653,187,793.27/239,842.99
  6. Step 6: Final answer
    x = 106,958.26

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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.