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Finding the Fourth Proportional to 68,126.27, 102,829.28 and 68,126.27

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Solution

The fourth proportional to 68,126.27, 102,829.28 and 68,126.27 is: 102,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.27 : 102,829.28 = 68,126.27 : x
  2. Step 2: Convert to fraction form
    68,126.27/102,829.28 = 68,126.27/x
  3. Step 3: Cross multiply
    68,126.27x = 102,829.28 × 68,126.27
  4. Step 4: Simplify right side
    68,126.27x = 7,005,375,293.19
  5. Step 5: Solve for x
    x = 7,005,375,293.19/68,126.27
  6. Step 6: Final answer
    x = 102,829.28

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1.5x scale

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.