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Finding the Fourth Proportional to 75,563.70, 113,126.65 and 56,922.24

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Solution

The fourth proportional to 75,563.70, 113,126.65 and 56,922.24 is: 85,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,563.70 : 113,126.65 = 56,922.24 : x
  2. Step 2: Convert to fraction form
    75,563.70/113,126.65 = 56,922.24/x
  3. Step 3: Cross multiply
    75,563.70x = 113,126.65 × 56,922.24
  4. Step 4: Simplify right side
    75,563.70x = 6,439,422,321.70
  5. Step 5: Solve for x
    x = 6,439,422,321.70/75,563.70
  6. Step 6: Final answer
    x = 85,218.46

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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.