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Finding the Fourth Proportional to 70,868.03, 106,249.24 and 33,406.77

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Solution

The fourth proportional to 70,868.03, 106,249.24 and 33,406.77 is: 50,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.03 : 106,249.24 = 33,406.77 : x
  2. Step 2: Convert to fraction form
    70,868.03/106,249.24 = 33,406.77/x
  3. Step 3: Cross multiply
    70,868.03x = 106,249.24 × 33,406.77
  4. Step 4: Simplify right side
    70,868.03x = 3,549,443,710.44
  5. Step 5: Solve for x
    x = 3,549,443,710.44/70,868.03
  6. Step 6: Final answer
    x = 50,085.26

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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.