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Finding the Fourth Proportional to 224,374.08, 336,302.68 and 91,108

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Solution

The fourth proportional to 224,374.08, 336,302.68 and 91,108 is: 136,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,374.08 : 336,302.68 = 91,108 : x
  2. Step 2: Convert to fraction form
    224,374.08/336,302.68 = 91,108/x
  3. Step 3: Cross multiply
    224,374.08x = 336,302.68 × 91,108
  4. Step 4: Simplify right side
    224,374.08x = 30,639,864,569.44
  5. Step 5: Solve for x
    x = 30,639,864,569.44/224,374.08
  6. Step 6: Final answer
    x = 136,557.06

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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.