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Finding the Fourth Proportional to 113,244, 156,286.44 and 62,952.72

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Solution

The fourth proportional to 113,244, 156,286.44 and 62,952.72 is: 86,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,244 : 156,286.44 = 62,952.72 : x
  2. Step 2: Convert to fraction form
    113,244/156,286.44 = 62,952.72/x
  3. Step 3: Cross multiply
    113,244x = 156,286.44 × 62,952.72
  4. Step 4: Simplify right side
    113,244x = 9,838,656,497.12
  5. Step 5: Solve for x
    x = 9,838,656,497.12/113,244
  6. Step 6: Final answer
    x = 86,880.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.