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Finding the Fourth Proportional to 101,063.05, 151,345.47 and 63,530.03

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Solution

The fourth proportional to 101,063.05, 151,345.47 and 63,530.03 is: 95,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,063.05 : 151,345.47 = 63,530.03 : x
  2. Step 2: Convert to fraction form
    101,063.05/151,345.47 = 63,530.03/x
  3. Step 3: Cross multiply
    101,063.05x = 151,345.47 × 63,530.03
  4. Step 4: Simplify right side
    101,063.05x = 9,614,982,766.21
  5. Step 5: Solve for x
    x = 9,614,982,766.21/101,063.05
  6. Step 6: Final answer
    x = 95,138.45

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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.