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Finding the Fourth Proportional to 269,459.46, 371,849.15 and 148,611.98

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Solution

The fourth proportional to 269,459.46, 371,849.15 and 148,611.98 is: 205,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,459.46 : 371,849.15 = 148,611.98 : x
  2. Step 2: Convert to fraction form
    269,459.46/371,849.15 = 148,611.98/x
  3. Step 3: Cross multiply
    269,459.46x = 371,849.15 × 148,611.98
  4. Step 4: Simplify right side
    269,459.46x = 55,261,238,442.82
  5. Step 5: Solve for x
    x = 55,261,238,442.82/269,459.46
  6. Step 6: Final answer
    x = 205,081.83

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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.