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Finding the Fourth Proportional to 188,994.57, 283,341.99 and 99,020.02

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Solution

The fourth proportional to 188,994.57, 283,341.99 and 99,020.02 is: 148,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,994.57 : 283,341.99 = 99,020.02 : x
  2. Step 2: Convert to fraction form
    188,994.57/283,341.99 = 99,020.02/x
  3. Step 3: Cross multiply
    188,994.57x = 283,341.99 × 99,020.02
  4. Step 4: Simplify right side
    188,994.57x = 28,056,529,516.64
  5. Step 5: Solve for x
    x = 28,056,529,516.64/188,994.57
  6. Step 6: Final answer
    x = 148,451.51

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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.