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Finding the Fourth Proportional to 269,354.87, 371,712.12 and 148,500.44

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Solution

The fourth proportional to 269,354.87, 371,712.12 and 148,500.44 is: 204,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,354.87 : 371,712.12 = 148,500.44 : x
  2. Step 2: Convert to fraction form
    269,354.87/371,712.12 = 148,500.44/x
  3. Step 3: Cross multiply
    269,354.87x = 371,712.12 × 148,500.44
  4. Step 4: Simplify right side
    269,354.87x = 55,199,411,514.77
  5. Step 5: Solve for x
    x = 55,199,411,514.77/269,354.87
  6. Step 6: Final answer
    x = 204,931.93

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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.