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Finding the Fourth Proportional to 101,518.13, 152,191.53 and 63,995.49

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Solution

The fourth proportional to 101,518.13, 152,191.53 and 63,995.49 is: 95,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.13 : 152,191.53 = 63,995.49 : x
  2. Step 2: Convert to fraction form
    101,518.13/152,191.53 = 63,995.49/x
  3. Step 3: Cross multiply
    101,518.13x = 152,191.53 × 63,995.49
  4. Step 4: Simplify right side
    101,518.13x = 9,739,571,536.20
  5. Step 5: Solve for x
    x = 9,739,571,536.20/101,518.13
  6. Step 6: Final answer
    x = 95,939.24

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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.