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Finding the Fourth Proportional to 84,848.73, 117,100.53 and 48,553.53

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Solution

The fourth proportional to 84,848.73, 117,100.53 and 48,553.53 is: 67,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.73 : 117,100.53 = 48,553.53 : x
  2. Step 2: Convert to fraction form
    84,848.73/117,100.53 = 48,553.53/x
  3. Step 3: Cross multiply
    84,848.73x = 117,100.53 × 48,553.53
  4. Step 4: Simplify right side
    84,848.73x = 5,685,644,096.37
  5. Step 5: Solve for x
    x = 5,685,644,096.37/84,848.73
  6. Step 6: Final answer
    x = 67,009.18

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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.