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Finding the Fourth Proportional to 146,735.80, 220,103.70 and 75,658.30

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Solution

The fourth proportional to 146,735.80, 220,103.70 and 75,658.30 is: 113,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,735.80 : 220,103.70 = 75,658.30 : x
  2. Step 2: Convert to fraction form
    146,735.80/220,103.70 = 75,658.30/x
  3. Step 3: Cross multiply
    146,735.80x = 220,103.70 × 75,658.30
  4. Step 4: Simplify right side
    146,735.80x = 16,652,671,765.71
  5. Step 5: Solve for x
    x = 16,652,671,765.71/146,735.80
  6. Step 6: Final answer
    x = 113,487.45

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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.