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Finding the Fourth Proportional to 164,955.56, 247,522.98 and 71,468.60

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Solution

The fourth proportional to 164,955.56, 247,522.98 and 71,468.60 is: 107,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,955.56 : 247,522.98 = 71,468.60 : x
  2. Step 2: Convert to fraction form
    164,955.56/247,522.98 = 71,468.60/x
  3. Step 3: Cross multiply
    164,955.56x = 247,522.98 × 71,468.60
  4. Step 4: Simplify right side
    164,955.56x = 17,690,120,848.43
  5. Step 5: Solve for x
    x = 17,690,120,848.43/164,955.56
  6. Step 6: Final answer
    x = 107,241.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.