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Finding the Fourth Proportional to 319,053.50, 440,291.94 and 173,859.02

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Solution

The fourth proportional to 319,053.50, 440,291.94 and 173,859.02 is: 239,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,053.50 : 440,291.94 = 173,859.02 : x
  2. Step 2: Convert to fraction form
    319,053.50/440,291.94 = 173,859.02/x
  3. Step 3: Cross multiply
    319,053.50x = 440,291.94 × 173,859.02
  4. Step 4: Simplify right side
    319,053.50x = 76,548,725,202.30
  5. Step 5: Solve for x
    x = 76,548,725,202.30/319,053.50
  6. Step 6: Final answer
    x = 239,924.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.