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Finding the Fourth Proportional to 227,411.98, 341,118.77 and 69,639.74

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Solution

The fourth proportional to 227,411.98, 341,118.77 and 69,639.74 is: 104,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,411.98 : 341,118.77 = 69,639.74 : x
  2. Step 2: Convert to fraction form
    227,411.98/341,118.77 = 69,639.74/x
  3. Step 3: Cross multiply
    227,411.98x = 341,118.77 × 69,639.74
  4. Step 4: Simplify right side
    227,411.98x = 23,755,422,451.92
  5. Step 5: Solve for x
    x = 23,755,422,451.92/227,411.98
  6. Step 6: Final answer
    x = 104,459.85

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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.