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Finding the Fourth Proportional to 96,992.30, 133,805.41 and 70,092.20

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Solution

The fourth proportional to 96,992.30, 133,805.41 and 70,092.20 is: 96,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992.30 : 133,805.41 = 70,092.20 : x
  2. Step 2: Convert to fraction form
    96,992.30/133,805.41 = 70,092.20/x
  3. Step 3: Cross multiply
    96,992.30x = 133,805.41 × 70,092.20
  4. Step 4: Simplify right side
    96,992.30x = 9,378,715,718.09
  5. Step 5: Solve for x
    x = 9,378,715,718.09/96,992.30
  6. Step 6: Final answer
    x = 96,695.46

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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.