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Finding the Fourth Proportional to 224,412.84, 336,328.32 and 91,137

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Solution

The fourth proportional to 224,412.84, 336,328.32 and 91,137 is: 136,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,412.84 : 336,328.32 = 91,137 : x
  2. Step 2: Convert to fraction form
    224,412.84/336,328.32 = 91,137/x
  3. Step 3: Cross multiply
    224,412.84x = 336,328.32 × 91,137
  4. Step 4: Simplify right side
    224,412.84x = 30,651,954,099.84
  5. Step 5: Solve for x
    x = 30,651,954,099.84/224,412.84
  6. Step 6: Final answer
    x = 136,587.35

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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.