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Finding the Fourth Proportional to 101,155.79, 151,732.47 and 26,269.27

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Solution

The fourth proportional to 101,155.79, 151,732.47 and 26,269.27 is: 39,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,155.79 : 151,732.47 = 26,269.27 : x
  2. Step 2: Convert to fraction form
    101,155.79/151,732.47 = 26,269.27/x
  3. Step 3: Cross multiply
    101,155.79x = 151,732.47 × 26,269.27
  4. Step 4: Simplify right side
    101,155.79x = 3,985,901,222.20
  5. Step 5: Solve for x
    x = 3,985,901,222.20/101,155.79
  6. Step 6: Final answer
    x = 39,403.59

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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.