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Finding the Fourth Proportional to 75,896.40, 113,844.60 and 29,150.40

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Solution

The fourth proportional to 75,896.40, 113,844.60 and 29,150.40 is: 43,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,896.40 : 113,844.60 = 29,150.40 : x
  2. Step 2: Convert to fraction form
    75,896.40/113,844.60 = 29,150.40/x
  3. Step 3: Cross multiply
    75,896.40x = 113,844.60 × 29,150.40
  4. Step 4: Simplify right side
    75,896.40x = 3,318,615,627.84
  5. Step 5: Solve for x
    x = 3,318,615,627.84/75,896.40
  6. Step 6: Final answer
    x = 43,725.60

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1.5x scale

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.