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Finding the Fourth Proportional to 99,730.59, 149,490.87 and 33,152.85

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Solution

The fourth proportional to 99,730.59, 149,490.87 and 33,152.85 is: 49,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,730.59 : 149,490.87 = 33,152.85 : x
  2. Step 2: Convert to fraction form
    99,730.59/149,490.87 = 33,152.85/x
  3. Step 3: Cross multiply
    99,730.59x = 149,490.87 × 33,152.85
  4. Step 4: Simplify right side
    99,730.59x = 4,956,048,389.48
  5. Step 5: Solve for x
    x = 4,956,048,389.48/99,730.59
  6. Step 6: Final answer
    x = 49,694.37

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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.