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Finding the Fourth Proportional to 227,661.10, 341,432.15 and 67,693.96

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Solution

The fourth proportional to 227,661.10, 341,432.15 and 67,693.96 is: 101,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,661.10 : 341,432.15 = 67,693.96 : x
  2. Step 2: Convert to fraction form
    227,661.10/341,432.15 = 67,693.96/x
  3. Step 3: Cross multiply
    227,661.10x = 341,432.15 × 67,693.96
  4. Step 4: Simplify right side
    227,661.10x = 23,112,894,304.81
  5. Step 5: Solve for x
    x = 23,112,894,304.81/227,661.10
  6. Step 6: Final answer
    x = 101,523.25

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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.