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Finding the Fourth Proportional to 239,990.36, 359,980.66 and 62,493.44

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Solution

The fourth proportional to 239,990.36, 359,980.66 and 62,493.44 is: 93,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,990.36 : 359,980.66 = 62,493.44 : x
  2. Step 2: Convert to fraction form
    239,990.36/359,980.66 = 62,493.44/x
  3. Step 3: Cross multiply
    239,990.36x = 359,980.66 × 62,493.44
  4. Step 4: Simplify right side
    239,990.36x = 22,496,429,776.87
  5. Step 5: Solve for x
    x = 22,496,429,776.87/239,990.36
  6. Step 6: Final answer
    x = 93,738.89

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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.