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Finding the Fourth Proportional to 333,959.12, 501,015.48 and 109,326.80

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Solution

The fourth proportional to 333,959.12, 501,015.48 and 109,326.80 is: 164,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,959.12 : 501,015.48 = 109,326.80 : x
  2. Step 2: Convert to fraction form
    333,959.12/501,015.48 = 109,326.80/x
  3. Step 3: Cross multiply
    333,959.12x = 501,015.48 × 109,326.80
  4. Step 4: Simplify right side
    333,959.12x = 54,774,419,178.86
  5. Step 5: Solve for x
    x = 54,774,419,178.86/333,959.12
  6. Step 6: Final answer
    x = 164,015.34

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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.