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Finding the Fourth Proportional to 101,767.56, 140,416.79 and 58,737.96

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Solution

The fourth proportional to 101,767.56, 140,416.79 and 58,737.96 is: 81,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,767.56 : 140,416.79 = 58,737.96 : x
  2. Step 2: Convert to fraction form
    101,767.56/140,416.79 = 58,737.96/x
  3. Step 3: Cross multiply
    101,767.56x = 140,416.79 × 58,737.96
  4. Step 4: Simplify right side
    101,767.56x = 8,247,795,831.06
  5. Step 5: Solve for x
    x = 8,247,795,831.06/101,767.56
  6. Step 6: Final answer
    x = 81,045.43

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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.