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Finding the Fourth Proportional to 253,610.80, 380,146.44 and 95,772.08

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Solution

The fourth proportional to 253,610.80, 380,146.44 and 95,772.08 is: 143,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,610.80 : 380,146.44 = 95,772.08 : x
  2. Step 2: Convert to fraction form
    253,610.80/380,146.44 = 95,772.08/x
  3. Step 3: Cross multiply
    253,610.80x = 380,146.44 × 95,772.08
  4. Step 4: Simplify right side
    253,610.80x = 36,407,415,263.40
  5. Step 5: Solve for x
    x = 36,407,415,263.40/253,610.80
  6. Step 6: Final answer
    x = 143,556.25

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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.