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Finding the Fourth Proportional to 159,878.99, 239,762.19 and 53,233.99

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Solution

The fourth proportional to 159,878.99, 239,762.19 and 53,233.99 is: 79,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,878.99 : 239,762.19 = 53,233.99 : x
  2. Step 2: Convert to fraction form
    159,878.99/239,762.19 = 53,233.99/x
  3. Step 3: Cross multiply
    159,878.99x = 239,762.19 × 53,233.99
  4. Step 4: Simplify right side
    159,878.99x = 12,763,497,425.43
  5. Step 5: Solve for x
    x = 12,763,497,425.43/159,878.99
  6. Step 6: Final answer
    x = 79,832.24

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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.