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Finding the Fourth Proportional to 101,669.79, 152,505.72 and 26,800.68

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Solution

The fourth proportional to 101,669.79, 152,505.72 and 26,800.68 is: 40,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,669.79 : 152,505.72 = 26,800.68 : x
  2. Step 2: Convert to fraction form
    101,669.79/152,505.72 = 26,800.68/x
  3. Step 3: Cross multiply
    101,669.79x = 152,505.72 × 26,800.68
  4. Step 4: Simplify right side
    101,669.79x = 4,087,256,999.89
  5. Step 5: Solve for x
    x = 4,087,256,999.89/101,669.79
  6. Step 6: Final answer
    x = 40,201.29

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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.