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Finding the Fourth Proportional to 84,648.51, 126,993.69 and 59,737.23

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Solution

The fourth proportional to 84,648.51, 126,993.69 and 59,737.23 is: 89,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,648.51 : 126,993.69 = 59,737.23 : x
  2. Step 2: Convert to fraction form
    84,648.51/126,993.69 = 59,737.23/x
  3. Step 3: Cross multiply
    84,648.51x = 126,993.69 × 59,737.23
  4. Step 4: Simplify right side
    84,648.51x = 7,586,251,268.08
  5. Step 5: Solve for x
    x = 7,586,251,268.08/84,648.51
  6. Step 6: Final answer
    x = 89,620.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.