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Finding the Fourth Proportional to 239,493.48, 359,243.52 and 114,805.32

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Solution

The fourth proportional to 239,493.48, 359,243.52 and 114,805.32 is: 172,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.48 : 359,243.52 = 114,805.32 : x
  2. Step 2: Convert to fraction form
    239,493.48/359,243.52 = 114,805.32/x
  3. Step 3: Cross multiply
    239,493.48x = 359,243.52 × 114,805.32
  4. Step 4: Simplify right side
    239,493.48x = 41,243,067,271.53
  5. Step 5: Solve for x
    x = 41,243,067,271.53/239,493.48
  6. Step 6: Final answer
    x = 172,209.56

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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.