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Finding the Fourth Proportional to 70,193.03, 96,866.15 and 38,361.92

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Solution

The fourth proportional to 70,193.03, 96,866.15 and 38,361.92 is: 52,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.03 : 96,866.15 = 38,361.92 : x
  2. Step 2: Convert to fraction form
    70,193.03/96,866.15 = 38,361.92/x
  3. Step 3: Cross multiply
    70,193.03x = 96,866.15 × 38,361.92
  4. Step 4: Simplify right side
    70,193.03x = 3,715,971,835.08
  5. Step 5: Solve for x
    x = 3,715,971,835.08/70,193.03
  6. Step 6: Final answer
    x = 52,939.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.