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Finding the Fourth Proportional to 227,868.61, 341,580.78 and 91,050.94

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Solution

The fourth proportional to 227,868.61, 341,580.78 and 91,050.94 is: 136,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,868.61 : 341,580.78 = 91,050.94 : x
  2. Step 2: Convert to fraction form
    227,868.61/341,580.78 = 91,050.94/x
  3. Step 3: Cross multiply
    227,868.61x = 341,580.78 × 91,050.94
  4. Step 4: Simplify right side
    227,868.61x = 31,101,251,104.93
  5. Step 5: Solve for x
    x = 31,101,251,104.93/227,868.61
  6. Step 6: Final answer
    x = 136,487.65

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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.