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Finding the Fourth Proportional to 227,187.17, 340,842.11 and 69,411.32

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Solution

The fourth proportional to 227,187.17, 340,842.11 and 69,411.32 is: 104,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,187.17 : 340,842.11 = 69,411.32 : x
  2. Step 2: Convert to fraction form
    227,187.17/340,842.11 = 69,411.32/x
  3. Step 3: Cross multiply
    227,187.17x = 340,842.11 × 69,411.32
  4. Step 4: Simplify right side
    227,187.17x = 23,658,298,715.42
  5. Step 5: Solve for x
    x = 23,658,298,715.42/227,187.17
  6. Step 6: Final answer
    x = 104,135.72

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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.