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Finding the Fourth Proportional to 269,925.80, 404,102.95 and 141,537.64

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Solution

The fourth proportional to 269,925.80, 404,102.95 and 141,537.64 is: 211,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,925.80 : 404,102.95 = 141,537.64 : x
  2. Step 2: Convert to fraction form
    269,925.80/404,102.95 = 141,537.64/x
  3. Step 3: Cross multiply
    269,925.80x = 404,102.95 × 141,537.64
  4. Step 4: Simplify right side
    269,925.80x = 57,195,777,708.75
  5. Step 5: Solve for x
    x = 57,195,777,708.75/269,925.80
  6. Step 6: Final answer
    x = 211,894.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.