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Finding the Fourth Proportional to 101,241.91, 139,715.31 and 58,800.44

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Solution

The fourth proportional to 101,241.91, 139,715.31 and 58,800.44 is: 81,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241.91 : 139,715.31 = 58,800.44 : x
  2. Step 2: Convert to fraction form
    101,241.91/139,715.31 = 58,800.44/x
  3. Step 3: Cross multiply
    101,241.91x = 139,715.31 × 58,800.44
  4. Step 4: Simplify right side
    101,241.91x = 8,215,322,272.53
  5. Step 5: Solve for x
    x = 8,215,322,272.53/101,241.91
  6. Step 6: Final answer
    x = 81,145.47

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1.5x scale

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.