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Finding the Fourth Proportional to 101,002.52, 151,503.78 and 30,881.84

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Solution

The fourth proportional to 101,002.52, 151,503.78 and 30,881.84 is: 46,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,002.52 : 151,503.78 = 30,881.84 : x
  2. Step 2: Convert to fraction form
    101,002.52/151,503.78 = 30,881.84/x
  3. Step 3: Cross multiply
    101,002.52x = 151,503.78 × 30,881.84
  4. Step 4: Simplify right side
    101,002.52x = 4,678,715,493.36
  5. Step 5: Solve for x
    x = 4,678,715,493.36/101,002.52
  6. Step 6: Final answer
    x = 46,322.76

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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.