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Finding the Fourth Proportional to 224,643.11, 336,958.18 and 58,431.11

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Solution

The fourth proportional to 224,643.11, 336,958.18 and 58,431.11 is: 87,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,643.11 : 336,958.18 = 58,431.11 : x
  2. Step 2: Convert to fraction form
    224,643.11/336,958.18 = 58,431.11/x
  3. Step 3: Cross multiply
    224,643.11x = 336,958.18 × 58,431.11
  4. Step 4: Simplify right side
    224,643.11x = 19,688,838,650.11
  5. Step 5: Solve for x
    x = 19,688,838,650.11/224,643.11
  6. Step 6: Final answer
    x = 87,644.97

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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.