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Finding the Fourth Proportional to 101,507.63, 140,048.31 and 59,057.96

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Solution

The fourth proportional to 101,507.63, 140,048.31 and 59,057.96 is: 81,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,507.63 : 140,048.31 = 59,057.96 : x
  2. Step 2: Convert to fraction form
    101,507.63/140,048.31 = 59,057.96/x
  3. Step 3: Cross multiply
    101,507.63x = 140,048.31 × 59,057.96
  4. Step 4: Simplify right side
    101,507.63x = 8,270,966,789.81
  5. Step 5: Solve for x
    x = 8,270,966,789.81/101,507.63
  6. Step 6: Final answer
    x = 81,481.24

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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.