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Finding the Fourth Proportional to 224,322.11, 336,370.72 and 74,509.87

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Solution

The fourth proportional to 224,322.11, 336,370.72 and 74,509.87 is: 111,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,322.11 : 336,370.72 = 74,509.87 : x
  2. Step 2: Convert to fraction form
    224,322.11/336,370.72 = 74,509.87/x
  3. Step 3: Cross multiply
    224,322.11x = 336,370.72 × 74,509.87
  4. Step 4: Simplify right side
    224,322.11x = 25,062,938,246.46
  5. Step 5: Solve for x
    x = 25,062,938,246.46/224,322.11
  6. Step 6: Final answer
    x = 111,727.46

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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.