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Finding the Fourth Proportional to 61,156.99, 84,362.47 and 38,487.52

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Solution

The fourth proportional to 61,156.99, 84,362.47 and 38,487.52 is: 53,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,156.99 : 84,362.47 = 38,487.52 : x
  2. Step 2: Convert to fraction form
    61,156.99/84,362.47 = 38,487.52/x
  3. Step 3: Cross multiply
    61,156.99x = 84,362.47 × 38,487.52
  4. Step 4: Simplify right side
    61,156.99x = 3,246,902,251.37
  5. Step 5: Solve for x
    x = 3,246,902,251.37/61,156.99
  6. Step 6: Final answer
    x = 53,091.27

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