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Finding the Fourth Proportional to 269,808.82, 372,339.18 and 148,950.18

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Solution

The fourth proportional to 269,808.82, 372,339.18 and 148,950.18 is: 205,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,808.82 : 372,339.18 = 148,950.18 : x
  2. Step 2: Convert to fraction form
    269,808.82/372,339.18 = 148,950.18/x
  3. Step 3: Cross multiply
    269,808.82x = 372,339.18 × 148,950.18
  4. Step 4: Simplify right side
    269,808.82x = 55,459,987,882.05
  5. Step 5: Solve for x
    x = 55,459,987,882.05/269,808.82
  6. Step 6: Final answer
    x = 205,552.91

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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.