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Finding the Fourth Proportional to 269,809.14, 372,339.72 and 148,948.26

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Solution

The fourth proportional to 269,809.14, 372,339.72 and 148,948.26 is: 205,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,809.14 : 372,339.72 = 148,948.26 : x
  2. Step 2: Convert to fraction form
    269,809.14/372,339.72 = 148,948.26/x
  3. Step 3: Cross multiply
    269,809.14x = 372,339.72 × 148,948.26
  4. Step 4: Simplify right side
    269,809.14x = 55,459,353,422.89
  5. Step 5: Solve for x
    x = 55,459,353,422.89/269,809.14
  6. Step 6: Final answer
    x = 205,550.31

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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.