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Finding the Fourth Proportional to 101,207.79, 151,797.56 and 55,629.77

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Solution

The fourth proportional to 101,207.79, 151,797.56 and 55,629.77 is: 83,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,207.79 : 151,797.56 = 55,629.77 : x
  2. Step 2: Convert to fraction form
    101,207.79/151,797.56 = 55,629.77/x
  3. Step 3: Cross multiply
    101,207.79x = 151,797.56 × 55,629.77
  4. Step 4: Simplify right side
    101,207.79x = 8,444,462,312.22
  5. Step 5: Solve for x
    x = 8,444,462,312.22/101,207.79
  6. Step 6: Final answer
    x = 83,436.88

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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.