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Finding the Fourth Proportional to 224,495.73, 336,742.65 and 91,344.42

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Solution

The fourth proportional to 224,495.73, 336,742.65 and 91,344.42 is: 137,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,495.73 : 336,742.65 = 91,344.42 : x
  2. Step 2: Convert to fraction form
    224,495.73/336,742.65 = 91,344.42/x
  3. Step 3: Cross multiply
    224,495.73x = 336,742.65 × 91,344.42
  4. Step 4: Simplify right side
    224,495.73x = 30,759,562,053.51
  5. Step 5: Solve for x
    x = 30,759,562,053.51/224,495.73
  6. Step 6: Final answer
    x = 137,016.25

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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.