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Finding the Fourth Proportional to 224,275, 336,477.44 and 66,507.26

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Solution

The fourth proportional to 224,275, 336,477.44 and 66,507.26 is: 99,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,275 : 336,477.44 = 66,507.26 : x
  2. Step 2: Convert to fraction form
    224,275/336,477.44 = 66,507.26/x
  3. Step 3: Cross multiply
    224,275x = 336,477.44 × 66,507.26
  4. Step 4: Simplify right side
    224,275x = 22,378,192,586.21
  5. Step 5: Solve for x
    x = 22,378,192,586.21/224,275
  6. Step 6: Final answer
    x = 99,780.15

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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.