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Finding the Fourth Proportional to 101,695.50, 152,344.67 and 48,311.49

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Solution

The fourth proportional to 101,695.50, 152,344.67 and 48,311.49 is: 72,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,695.50 : 152,344.67 = 48,311.49 : x
  2. Step 2: Convert to fraction form
    101,695.50/152,344.67 = 48,311.49/x
  3. Step 3: Cross multiply
    101,695.50x = 152,344.67 × 48,311.49
  4. Step 4: Simplify right side
    101,695.50x = 7,359,997,881.68
  5. Step 5: Solve for x
    x = 7,359,997,881.68/101,695.50
  6. Step 6: Final answer
    x = 72,372.90

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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.