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Finding the Fourth Proportional to 88,068.44, 131,936.58 and 68,250.12

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Solution

The fourth proportional to 88,068.44, 131,936.58 and 68,250.12 is: 102,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068.44 : 131,936.58 = 68,250.12 : x
  2. Step 2: Convert to fraction form
    88,068.44/131,936.58 = 68,250.12/x
  3. Step 3: Cross multiply
    88,068.44x = 131,936.58 × 68,250.12
  4. Step 4: Simplify right side
    88,068.44x = 9,004,687,417.39
  5. Step 5: Solve for x
    x = 9,004,687,417.39/88,068.44
  6. Step 6: Final answer
    x = 102,246.47

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1.5x scale

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.