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Finding the Fourth Proportional to 224,263.77, 336,338.31 and 66,455.31

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Solution

The fourth proportional to 224,263.77, 336,338.31 and 66,455.31 is: 99,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,263.77 : 336,338.31 = 66,455.31 : x
  2. Step 2: Convert to fraction form
    224,263.77/336,338.31 = 66,455.31/x
  3. Step 3: Cross multiply
    224,263.77x = 336,338.31 × 66,455.31
  4. Step 4: Simplify right side
    224,263.77x = 22,351,466,655.93
  5. Step 5: Solve for x
    x = 22,351,466,655.93/224,263.77
  6. Step 6: Final answer
    x = 99,665.97

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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.