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Finding the Fourth Proportional to 224,596.80, 336,603.84 and 91,321.92

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Solution

The fourth proportional to 224,596.80, 336,603.84 and 91,321.92 is: 136,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,596.80 : 336,603.84 = 91,321.92 : x
  2. Step 2: Convert to fraction form
    224,596.80/336,603.84 = 91,321.92/x
  3. Step 3: Cross multiply
    224,596.80x = 336,603.84 × 91,321.92
  4. Step 4: Simplify right side
    224,596.80x = 30,739,308,948.17
  5. Step 5: Solve for x
    x = 30,739,308,948.17/224,596.80
  6. Step 6: Final answer
    x = 136,864.41

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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.