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Finding the Fourth Proportional to 84,707.37, 127,101.96 and 59,906.79

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Solution

The fourth proportional to 84,707.37, 127,101.96 and 59,906.79 is: 89,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,707.37 : 127,101.96 = 59,906.79 : x
  2. Step 2: Convert to fraction form
    84,707.37/127,101.96 = 59,906.79/x
  3. Step 3: Cross multiply
    84,707.37x = 127,101.96 × 59,906.79
  4. Step 4: Simplify right side
    84,707.37x = 7,614,270,426.31
  5. Step 5: Solve for x
    x = 7,614,270,426.31/84,707.37
  6. Step 6: Final answer
    x = 89,889.11

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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.