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Finding the Fourth Proportional to 216,027.40, 324,041.10 and 149,542.60

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Solution

The fourth proportional to 216,027.40, 324,041.10 and 149,542.60 is: 224,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,027.40 : 324,041.10 = 149,542.60 : x
  2. Step 2: Convert to fraction form
    216,027.40/324,041.10 = 149,542.60/x
  3. Step 3: Cross multiply
    216,027.40x = 324,041.10 × 149,542.60
  4. Step 4: Simplify right side
    216,027.40x = 48,457,948,600.86
  5. Step 5: Solve for x
    x = 48,457,948,600.86/216,027.40
  6. Step 6: Final answer
    x = 224,313.90

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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.