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Finding the Fourth Proportional to 121,083.43, 167,092.52 and 70,098.31

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Solution

The fourth proportional to 121,083.43, 167,092.52 and 70,098.31 is: 96,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083.43 : 167,092.52 = 70,098.31 : x
  2. Step 2: Convert to fraction form
    121,083.43/167,092.52 = 70,098.31/x
  3. Step 3: Cross multiply
    121,083.43x = 167,092.52 × 70,098.31
  4. Step 4: Simplify right side
    121,083.43x = 11,712,903,508.13
  5. Step 5: Solve for x
    x = 11,712,903,508.13/121,083.43
  6. Step 6: Final answer
    x = 96,734.16

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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.