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Finding the Fourth Proportional to 232,397.62, 348,743.88 and 99,278.84

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Solution

The fourth proportional to 232,397.62, 348,743.88 and 99,278.84 is: 148,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,397.62 : 348,743.88 = 99,278.84 : x
  2. Step 2: Convert to fraction form
    232,397.62/348,743.88 = 99,278.84/x
  3. Step 3: Cross multiply
    232,397.62x = 348,743.88 × 99,278.84
  4. Step 4: Simplify right side
    232,397.62x = 34,622,888,735.36
  5. Step 5: Solve for x
    x = 34,622,888,735.36/232,397.62
  6. Step 6: Final answer
    x = 148,981.26

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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.