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Finding the Fourth Proportional to 95,419.68, 143,129.16 and 25,299.60

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Solution

The fourth proportional to 95,419.68, 143,129.16 and 25,299.60 is: 37,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,419.68 : 143,129.16 = 25,299.60 : x
  2. Step 2: Convert to fraction form
    95,419.68/143,129.16 = 25,299.60/x
  3. Step 3: Cross multiply
    95,419.68x = 143,129.16 × 25,299.60
  4. Step 4: Simplify right side
    95,419.68x = 3,621,110,496.34
  5. Step 5: Solve for x
    x = 3,621,110,496.34/95,419.68
  6. Step 6: Final answer
    x = 37,949.30

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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.