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Finding the Fourth Proportional to 101,152.35, 151,710.30 and 63,645.30

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Solution

The fourth proportional to 101,152.35, 151,710.30 and 63,645.30 is: 95,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,152.35 : 151,710.30 = 63,645.30 : x
  2. Step 2: Convert to fraction form
    101,152.35/151,710.30 = 63,645.30/x
  3. Step 3: Cross multiply
    101,152.35x = 151,710.30 × 63,645.30
  4. Step 4: Simplify right side
    101,152.35x = 9,655,647,556.59
  5. Step 5: Solve for x
    x = 9,655,647,556.59/101,152.35
  6. Step 6: Final answer
    x = 95,456.48

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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.