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Finding the Fourth Proportional to 99,477.92, 149,200.32 and 29,340.56

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Solution

The fourth proportional to 99,477.92, 149,200.32 and 29,340.56 is: 44,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,477.92 : 149,200.32 = 29,340.56 : x
  2. Step 2: Convert to fraction form
    99,477.92/149,200.32 = 29,340.56/x
  3. Step 3: Cross multiply
    99,477.92x = 149,200.32 × 29,340.56
  4. Step 4: Simplify right side
    99,477.92x = 4,377,620,940.98
  5. Step 5: Solve for x
    x = 4,377,620,940.98/99,477.92
  6. Step 6: Final answer
    x = 44,005.96

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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.