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Finding the Fourth Proportional to 101,998.40, 140,717.45 and 58,969.96

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Solution

The fourth proportional to 101,998.40, 140,717.45 and 58,969.96 is: 81,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,998.40 : 140,717.45 = 58,969.96 : x
  2. Step 2: Convert to fraction form
    101,998.40/140,717.45 = 58,969.96/x
  3. Step 3: Cross multiply
    101,998.40x = 140,717.45 × 58,969.96
  4. Step 4: Simplify right side
    101,998.40x = 8,298,102,193.43
  5. Step 5: Solve for x
    x = 8,298,102,193.43/101,998.40
  6. Step 6: Final answer
    x = 81,355.22

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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.