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Finding the Fourth Proportional to 232,525, 348,839.34 and 84,781

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Solution

The fourth proportional to 232,525, 348,839.34 and 84,781 is: 127,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,525 : 348,839.34 = 84,781 : x
  2. Step 2: Convert to fraction form
    232,525/348,839.34 = 84,781/x
  3. Step 3: Cross multiply
    232,525x = 348,839.34 × 84,781
  4. Step 4: Simplify right side
    232,525x = 29,574,948,084.54
  5. Step 5: Solve for x
    x = 29,574,948,084.54/232,525
  6. Step 6: Final answer
    x = 127,190.40

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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.