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Finding the Fourth Proportional to 232,446.80, 348,581.64 and 99,388.64

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Solution

The fourth proportional to 232,446.80, 348,581.64 and 99,388.64 is: 149,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,446.80 : 348,581.64 = 99,388.64 : x
  2. Step 2: Convert to fraction form
    232,446.80/348,581.64 = 99,388.64/x
  3. Step 3: Cross multiply
    232,446.80x = 348,581.64 × 99,388.64
  4. Step 4: Simplify right side
    232,446.80x = 34,645,055,128.57
  5. Step 5: Solve for x
    x = 34,645,055,128.57/232,446.80
  6. Step 6: Final answer
    x = 149,045.09

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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.