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Finding the Fourth Proportional to 224,456.74, 336,688.07 and 74,697.05

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Solution

The fourth proportional to 224,456.74, 336,688.07 and 74,697.05 is: 112,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,456.74 : 336,688.07 = 74,697.05 : x
  2. Step 2: Convert to fraction form
    224,456.74/336,688.07 = 74,697.05/x
  3. Step 3: Cross multiply
    224,456.74x = 336,688.07 × 74,697.05
  4. Step 4: Simplify right side
    224,456.74x = 25,149,606,277.51
  5. Step 5: Solve for x
    x = 25,149,606,277.51/224,456.74
  6. Step 6: Final answer
    x = 112,046.56

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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.