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Finding the Fourth Proportional to 269,348.09, 371,698.88 and 148,488.93

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Solution

The fourth proportional to 269,348.09, 371,698.88 and 148,488.93 is: 204,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.09 : 371,698.88 = 148,488.93 : x
  2. Step 2: Convert to fraction form
    269,348.09/371,698.88 = 148,488.93/x
  3. Step 3: Cross multiply
    269,348.09x = 371,698.88 × 148,488.93
  4. Step 4: Simplify right side
    269,348.09x = 55,193,168,230.95
  5. Step 5: Solve for x
    x = 55,193,168,230.95/269,348.09
  6. Step 6: Final answer
    x = 204,913.91

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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.