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Finding the Fourth Proportional to 104,575.84, 144,241.68 and 68,754.40

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Solution

The fourth proportional to 104,575.84, 144,241.68 and 68,754.40 is: 94,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.84 : 144,241.68 = 68,754.40 : x
  2. Step 2: Convert to fraction form
    104,575.84/144,241.68 = 68,754.40/x
  3. Step 3: Cross multiply
    104,575.84x = 144,241.68 × 68,754.40
  4. Step 4: Simplify right side
    104,575.84x = 9,917,250,163.39
  5. Step 5: Solve for x
    x = 9,917,250,163.39/104,575.84
  6. Step 6: Final answer
    x = 94,833.09

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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.