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Finding the Fourth Proportional to 101,272.51, 151,720.10 and 63,333.53

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Solution

The fourth proportional to 101,272.51, 151,720.10 and 63,333.53 is: 94,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,272.51 : 151,720.10 = 63,333.53 : x
  2. Step 2: Convert to fraction form
    101,272.51/151,720.10 = 63,333.53/x
  3. Step 3: Cross multiply
    101,272.51x = 151,720.10 × 63,333.53
  4. Step 4: Simplify right side
    101,272.51x = 9,608,969,504.95
  5. Step 5: Solve for x
    x = 9,608,969,504.95/101,272.51
  6. Step 6: Final answer
    x = 94,882.31

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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.