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Finding the Fourth Proportional to 83,273.48, 125,036.94 and 72,737.48

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Solution

The fourth proportional to 83,273.48, 125,036.94 and 72,737.48 is: 109,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,273.48 : 125,036.94 = 72,737.48 : x
  2. Step 2: Convert to fraction form
    83,273.48/125,036.94 = 72,737.48/x
  3. Step 3: Cross multiply
    83,273.48x = 125,036.94 × 72,737.48
  4. Step 4: Simplify right side
    83,273.48x = 9,094,871,922.51
  5. Step 5: Solve for x
    x = 9,094,871,922.51/83,273.48
  6. Step 6: Final answer
    x = 109,216.91

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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.