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Finding the Fourth Proportional to 99,792.40, 149,688.60 and 33,234.70

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Solution

The fourth proportional to 99,792.40, 149,688.60 and 33,234.70 is: 49,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792.40 : 149,688.60 = 33,234.70 : x
  2. Step 2: Convert to fraction form
    99,792.40/149,688.60 = 33,234.70/x
  3. Step 3: Cross multiply
    99,792.40x = 149,688.60 × 33,234.70
  4. Step 4: Simplify right side
    99,792.40x = 4,974,855,714.42
  5. Step 5: Solve for x
    x = 4,974,855,714.42/99,792.40
  6. Step 6: Final answer
    x = 49,852.05

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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.