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Finding the Fourth Proportional to 103,367.36, 155,073.12 and 35,901.48

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Solution

The fourth proportional to 103,367.36, 155,073.12 and 35,901.48 is: 53,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367.36 : 155,073.12 = 35,901.48 : x
  2. Step 2: Convert to fraction form
    103,367.36/155,073.12 = 35,901.48/x
  3. Step 3: Cross multiply
    103,367.36x = 155,073.12 × 35,901.48
  4. Step 4: Simplify right side
    103,367.36x = 5,567,353,800.06
  5. Step 5: Solve for x
    x = 5,567,353,800.06/103,367.36
  6. Step 6: Final answer
    x = 53,859.88

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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.