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Finding the Fourth Proportional to 86,897.82, 119,908.45 and 48,654.37

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Solution

The fourth proportional to 86,897.82, 119,908.45 and 48,654.37 is: 67,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,897.82 : 119,908.45 = 48,654.37 : x
  2. Step 2: Convert to fraction form
    86,897.82/119,908.45 = 48,654.37/x
  3. Step 3: Cross multiply
    86,897.82x = 119,908.45 × 48,654.37
  4. Step 4: Simplify right side
    86,897.82x = 5,834,070,092.43
  5. Step 5: Solve for x
    x = 5,834,070,092.43/86,897.82
  6. Step 6: Final answer
    x = 67,137.13

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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.