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Finding the Fourth Proportional to 73,361.96, 109,053.68 and 71,206.84

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Solution

The fourth proportional to 73,361.96, 109,053.68 and 71,206.84 is: 105,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,361.96 : 109,053.68 = 71,206.84 : x
  2. Step 2: Convert to fraction form
    73,361.96/109,053.68 = 71,206.84/x
  3. Step 3: Cross multiply
    73,361.96x = 109,053.68 × 71,206.84
  4. Step 4: Simplify right side
    73,361.96x = 7,765,367,943.17
  5. Step 5: Solve for x
    x = 7,765,367,943.17/73,361.96
  6. Step 6: Final answer
    x = 105,850.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.