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Finding the Fourth Proportional to 224,279.79, 336,362.37 and 66,471.39

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Solution

The fourth proportional to 224,279.79, 336,362.37 and 66,471.39 is: 99,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,279.79 : 336,362.37 = 66,471.39 : x
  2. Step 2: Convert to fraction form
    224,279.79/336,362.37 = 66,471.39/x
  3. Step 3: Cross multiply
    224,279.79x = 336,362.37 × 66,471.39
  4. Step 4: Simplify right side
    224,279.79x = 22,358,474,277.59
  5. Step 5: Solve for x
    x = 22,358,474,277.59/224,279.79
  6. Step 6: Final answer
    x = 99,690.10

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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.