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Finding the Fourth Proportional to 96,998.21, 133,813.52 and 70,098.11

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Solution

The fourth proportional to 96,998.21, 133,813.52 and 70,098.11 is: 96,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.21 : 133,813.52 = 70,098.11 : x
  2. Step 2: Convert to fraction form
    96,998.21/133,813.52 = 70,098.11/x
  3. Step 3: Cross multiply
    96,998.21x = 133,813.52 × 70,098.11
  4. Step 4: Simplify right side
    96,998.21x = 9,380,074,589.56
  5. Step 5: Solve for x
    x = 9,380,074,589.56/96,998.21
  6. Step 6: Final answer
    x = 96,703.59

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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.