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Finding the Fourth Proportional to 224,665.56, 336,904.65 and 91,455.39

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Solution

The fourth proportional to 224,665.56, 336,904.65 and 91,455.39 is: 137,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,665.56 : 336,904.65 = 91,455.39 : x
  2. Step 2: Convert to fraction form
    224,665.56/336,904.65 = 91,455.39/x
  3. Step 3: Cross multiply
    224,665.56x = 336,904.65 × 91,455.39
  4. Step 4: Simplify right side
    224,665.56x = 30,811,746,158.56
  5. Step 5: Solve for x
    x = 30,811,746,158.56/224,665.56
  6. Step 6: Final answer
    x = 137,144.95

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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.