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Finding the Fourth Proportional to 224,679.36, 336,906.18 and 74,867.16

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Solution

The fourth proportional to 224,679.36, 336,906.18 and 74,867.16 is: 112,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,679.36 : 336,906.18 = 74,867.16 : x
  2. Step 2: Convert to fraction form
    224,679.36/336,906.18 = 74,867.16/x
  3. Step 3: Cross multiply
    224,679.36x = 336,906.18 × 74,867.16
  4. Step 4: Simplify right side
    224,679.36x = 25,223,208,883.05
  5. Step 5: Solve for x
    x = 25,223,208,883.05/224,679.36
  6. Step 6: Final answer
    x = 112,263.13

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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.