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Finding the Fourth Proportional to 99,753.93, 149,575.01 and 40,520.25

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Solution

The fourth proportional to 99,753.93, 149,575.01 and 40,520.25 is: 60,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,753.93 : 149,575.01 = 40,520.25 : x
  2. Step 2: Convert to fraction form
    99,753.93/149,575.01 = 40,520.25/x
  3. Step 3: Cross multiply
    99,753.93x = 149,575.01 × 40,520.25
  4. Step 4: Simplify right side
    99,753.93x = 6,060,816,596.35
  5. Step 5: Solve for x
    x = 6,060,816,596.35/99,753.93
  6. Step 6: Final answer
    x = 60,757.67

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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.