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Finding the Fourth Proportional to 224,647.56, 336,877.65 and 91,437.39

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Solution

The fourth proportional to 224,647.56, 336,877.65 and 91,437.39 is: 137,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,647.56 : 336,877.65 = 91,437.39 : x
  2. Step 2: Convert to fraction form
    224,647.56/336,877.65 = 91,437.39/x
  3. Step 3: Cross multiply
    224,647.56x = 336,877.65 × 91,437.39
  4. Step 4: Simplify right side
    224,647.56x = 30,803,213,065.33
  5. Step 5: Solve for x
    x = 30,803,213,065.33/224,647.56
  6. Step 6: Final answer
    x = 137,117.95

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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.