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Finding the Fourth Proportional to 269,774.98, 372,289.54 and 148,916.34

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Solution

The fourth proportional to 269,774.98, 372,289.54 and 148,916.34 is: 205,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.98 : 372,289.54 = 148,916.34 : x
  2. Step 2: Convert to fraction form
    269,774.98/372,289.54 = 148,916.34/x
  3. Step 3: Cross multiply
    269,774.98x = 372,289.54 × 148,916.34
  4. Step 4: Simplify right side
    269,774.98x = 55,439,995,717.08
  5. Step 5: Solve for x
    x = 55,439,995,717.08/269,774.98
  6. Step 6: Final answer
    x = 205,504.59

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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.