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Finding the Fourth Proportional to 99,016.67, 148,465.67 and 31,519.55

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Solution

The fourth proportional to 99,016.67, 148,465.67 and 31,519.55 is: 47,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.67 : 148,465.67 = 31,519.55 : x
  2. Step 2: Convert to fraction form
    99,016.67/148,465.67 = 31,519.55/x
  3. Step 3: Cross multiply
    99,016.67x = 148,465.67 × 31,519.55
  4. Step 4: Simplify right side
    99,016.67x = 4,679,571,108.85
  5. Step 5: Solve for x
    x = 4,679,571,108.85/99,016.67
  6. Step 6: Final answer
    x = 47,260.44

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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.