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Finding the Fourth Proportional to 107,863.37, 161,809.64 and 101,302.37

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Solution

The fourth proportional to 107,863.37, 161,809.64 and 101,302.37 is: 151,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,863.37 : 161,809.64 = 101,302.37 : x
  2. Step 2: Convert to fraction form
    107,863.37/161,809.64 = 101,302.37/x
  3. Step 3: Cross multiply
    107,863.37x = 161,809.64 × 101,302.37
  4. Step 4: Simplify right side
    107,863.37x = 16,391,700,020.85
  5. Step 5: Solve for x
    x = 16,391,700,020.85/107,863.37
  6. Step 6: Final answer
    x = 151,967.25

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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.