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Finding the Fourth Proportional to 121,083.93, 167,093.21 and 70,098.82

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Solution

The fourth proportional to 121,083.93, 167,093.21 and 70,098.82 is: 96,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083.93 : 167,093.21 = 70,098.82 : x
  2. Step 2: Convert to fraction form
    121,083.93/167,093.21 = 70,098.82/x
  3. Step 3: Cross multiply
    121,083.93x = 167,093.21 × 70,098.82
  4. Step 4: Simplify right side
    121,083.93x = 11,713,035,665.05
  5. Step 5: Solve for x
    x = 11,713,035,665.05/121,083.93
  6. Step 6: Final answer
    x = 96,734.85

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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.