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Finding the Fourth Proportional to 104,732.77, 144,562.97 and 71,218.21

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Solution

The fourth proportional to 104,732.77, 144,562.97 and 71,218.21 is: 98,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.77 : 144,562.97 = 71,218.21 : x
  2. Step 2: Convert to fraction form
    104,732.77/144,562.97 = 71,218.21/x
  3. Step 3: Cross multiply
    104,732.77x = 144,562.97 × 71,218.21
  4. Step 4: Simplify right side
    104,732.77x = 10,295,515,955.68
  5. Step 5: Solve for x
    x = 10,295,515,955.68/104,732.77
  6. Step 6: Final answer
    x = 98,302.72

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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.