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Finding the Fourth Proportional to 101,154.79, 151,730.97 and 26,268.27

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Solution

The fourth proportional to 101,154.79, 151,730.97 and 26,268.27 is: 39,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,154.79 : 151,730.97 = 26,268.27 : x
  2. Step 2: Convert to fraction form
    101,154.79/151,730.97 = 26,268.27/x
  3. Step 3: Cross multiply
    101,154.79x = 151,730.97 × 26,268.27
  4. Step 4: Simplify right side
    101,154.79x = 3,985,710,087.32
  5. Step 5: Solve for x
    x = 3,985,710,087.32/101,154.79
  6. Step 6: Final answer
    x = 39,402.09

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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.