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Finding the Fourth Proportional to 148,522.92, 204,972.47 and 84,859.35

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Solution

The fourth proportional to 148,522.92, 204,972.47 and 84,859.35 is: 117,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,522.92 : 204,972.47 = 84,859.35 : x
  2. Step 2: Convert to fraction form
    148,522.92/204,972.47 = 84,859.35/x
  3. Step 3: Cross multiply
    148,522.92x = 204,972.47 × 84,859.35
  4. Step 4: Simplify right side
    148,522.92x = 17,393,830,572.09
  5. Step 5: Solve for x
    x = 17,393,830,572.09/148,522.92
  6. Step 6: Final answer
    x = 117,112.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.