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Finding the Fourth Proportional to 101,637.71, 140,256.26 and 58,619.00

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Solution

The fourth proportional to 101,637.71, 140,256.26 and 58,619.00 is: 80,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637.71 : 140,256.26 = 58,619.00 : x
  2. Step 2: Convert to fraction form
    101,637.71/140,256.26 = 58,619.00/x
  3. Step 3: Cross multiply
    101,637.71x = 140,256.26 × 58,619.00
  4. Step 4: Simplify right side
    101,637.71x = 8,221,682,179.54
  5. Step 5: Solve for x
    x = 8,221,682,179.54/101,637.71
  6. Step 6: Final answer
    x = 80,892.04

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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.