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Finding the Fourth Proportional to 99,529.70, 149,294.55 and 32,980.10

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Solution

The fourth proportional to 99,529.70, 149,294.55 and 32,980.10 is: 49,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.70 : 149,294.55 = 32,980.10 : x
  2. Step 2: Convert to fraction form
    99,529.70/149,294.55 = 32,980.10/x
  3. Step 3: Cross multiply
    99,529.70x = 149,294.55 × 32,980.10
  4. Step 4: Simplify right side
    99,529.70x = 4,923,749,188.46
  5. Step 5: Solve for x
    x = 4,923,749,188.46/99,529.70
  6. Step 6: Final answer
    x = 49,470.15

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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.