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Finding the Fourth Proportional to 70,174.46, 96,840.78 and 37,909.09

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Solution

The fourth proportional to 70,174.46, 96,840.78 and 37,909.09 is: 52,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.46 : 96,840.78 = 37,909.09 : x
  2. Step 2: Convert to fraction form
    70,174.46/96,840.78 = 37,909.09/x
  3. Step 3: Cross multiply
    70,174.46x = 96,840.78 × 37,909.09
  4. Step 4: Simplify right side
    70,174.46x = 3,671,145,844.69
  5. Step 5: Solve for x
    x = 3,671,145,844.69/70,174.46
  6. Step 6: Final answer
    x = 52,314.56

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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.