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Finding the Fourth Proportional to 99,216.70, 148,845.55 and 32,660.82

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Solution

The fourth proportional to 99,216.70, 148,845.55 and 32,660.82 is: 48,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,216.70 : 148,845.55 = 32,660.82 : x
  2. Step 2: Convert to fraction form
    99,216.70/148,845.55 = 32,660.82/x
  3. Step 3: Cross multiply
    99,216.70x = 148,845.55 × 32,660.82
  4. Step 4: Simplify right side
    99,216.70x = 4,861,417,695.94
  5. Step 5: Solve for x
    x = 4,861,417,695.94/99,216.70
  6. Step 6: Final answer
    x = 48,997.98

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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.