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Finding the Fourth Proportional to 134,843.92, 186,250.16 and 101,003.64

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Solution

The fourth proportional to 134,843.92, 186,250.16 and 101,003.64 is: 139,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.92 : 186,250.16 = 101,003.64 : x
  2. Step 2: Convert to fraction form
    134,843.92/186,250.16 = 101,003.64/x
  3. Step 3: Cross multiply
    134,843.92x = 186,250.16 × 101,003.64
  4. Step 4: Simplify right side
    134,843.92x = 18,811,944,110.58
  5. Step 5: Solve for x
    x = 18,811,944,110.58/134,843.92
  6. Step 6: Final answer
    x = 139,509.03

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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.