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Finding the Fourth Proportional to 227,865.61, 341,576.28 and 91,047.94

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Solution

The fourth proportional to 227,865.61, 341,576.28 and 91,047.94 is: 136,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,865.61 : 341,576.28 = 91,047.94 : x
  2. Step 2: Convert to fraction form
    227,865.61/341,576.28 = 91,047.94/x
  3. Step 3: Cross multiply
    227,865.61x = 341,576.28 × 91,047.94
  4. Step 4: Simplify right side
    227,865.61x = 31,099,816,646.86
  5. Step 5: Solve for x
    x = 31,099,816,646.86/227,865.61
  6. Step 6: Final answer
    x = 136,483.15

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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.