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Finding the Fourth Proportional to 107,955.62, 148,972.03 and 59,558.17

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Solution

The fourth proportional to 107,955.62, 148,972.03 and 59,558.17 is: 82,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.62 : 148,972.03 = 59,558.17 : x
  2. Step 2: Convert to fraction form
    107,955.62/148,972.03 = 59,558.17/x
  3. Step 3: Cross multiply
    107,955.62x = 148,972.03 × 59,558.17
  4. Step 4: Simplify right side
    107,955.62x = 8,872,500,445.33
  5. Step 5: Solve for x
    x = 8,872,500,445.33/107,955.62
  6. Step 6: Final answer
    x = 82,186.56

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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.