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Finding the Fourth Proportional to 107,022.28, 147,692 and 59,276.44

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Solution

The fourth proportional to 107,022.28, 147,692 and 59,276.44 is: 81,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,022.28 : 147,692 = 59,276.44 : x
  2. Step 2: Convert to fraction form
    107,022.28/147,692 = 59,276.44/x
  3. Step 3: Cross multiply
    107,022.28x = 147,692 × 59,276.44
  4. Step 4: Simplify right side
    107,022.28x = 8,754,655,976.48
  5. Step 5: Solve for x
    x = 8,754,655,976.48/107,022.28
  6. Step 6: Final answer
    x = 81,802.18

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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.