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Finding the Fourth Proportional to 224,477.20, 336,461.46 and 74,682.28

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Solution

The fourth proportional to 224,477.20, 336,461.46 and 74,682.28 is: 111,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,477.20 : 336,461.46 = 74,682.28 : x
  2. Step 2: Convert to fraction form
    224,477.20/336,461.46 = 74,682.28/x
  3. Step 3: Cross multiply
    224,477.20x = 336,461.46 × 74,682.28
  4. Step 4: Simplify right side
    224,477.20x = 25,127,708,964.93
  5. Step 5: Solve for x
    x = 25,127,708,964.93/224,477.20
  6. Step 6: Final answer
    x = 111,938.80

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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.