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Finding the Fourth Proportional to 107,171.88, 147,881.37 and 59,425.58

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Solution

The fourth proportional to 107,171.88, 147,881.37 and 59,425.58 is: 81,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.88 : 147,881.37 = 59,425.58 : x
  2. Step 2: Convert to fraction form
    107,171.88/147,881.37 = 59,425.58/x
  3. Step 3: Cross multiply
    107,171.88x = 147,881.37 × 59,425.58
  4. Step 4: Simplify right side
    107,171.88x = 8,787,935,444.04
  5. Step 5: Solve for x
    x = 8,787,935,444.04/107,171.88
  6. Step 6: Final answer
    x = 81,998.52

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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.