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Finding the Fourth Proportional to 224,424.84, 336,346.32 and 91,149

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Solution

The fourth proportional to 224,424.84, 336,346.32 and 91,149 is: 136,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,424.84 : 336,346.32 = 91,149 : x
  2. Step 2: Convert to fraction form
    224,424.84/336,346.32 = 91,149/x
  3. Step 3: Cross multiply
    224,424.84x = 336,346.32 × 91,149
  4. Step 4: Simplify right side
    224,424.84x = 30,657,630,721.68
  5. Step 5: Solve for x
    x = 30,657,630,721.68/224,424.84
  6. Step 6: Final answer
    x = 136,605.34

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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.