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Finding the Fourth Proportional to 269,354.52, 371,702.40 and 148,493.02

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Solution

The fourth proportional to 269,354.52, 371,702.40 and 148,493.02 is: 204,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,354.52 : 371,702.40 = 148,493.02 : x
  2. Step 2: Convert to fraction form
    269,354.52/371,702.40 = 148,493.02/x
  3. Step 3: Cross multiply
    269,354.52x = 371,702.40 × 148,493.02
  4. Step 4: Simplify right side
    269,354.52x = 55,195,211,917.25
  5. Step 5: Solve for x
    x = 55,195,211,917.25/269,354.52
  6. Step 6: Final answer
    x = 204,916.60

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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.