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Finding the Fourth Proportional to 68,322.88, 103,004.58 and 63,506.70

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Solution

The fourth proportional to 68,322.88, 103,004.58 and 63,506.70 is: 95,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,322.88 : 103,004.58 = 63,506.70 : x
  2. Step 2: Convert to fraction form
    68,322.88/103,004.58 = 63,506.70/x
  3. Step 3: Cross multiply
    68,322.88x = 103,004.58 × 63,506.70
  4. Step 4: Simplify right side
    68,322.88x = 6,541,480,960.69
  5. Step 5: Solve for x
    x = 6,541,480,960.69/68,322.88
  6. Step 6: Final answer
    x = 95,743.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.