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Finding the Fourth Proportional to 132,087.60, 197,904.60 and 61,822.80

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Solution

The fourth proportional to 132,087.60, 197,904.60 and 61,822.80 is: 92,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,087.60 : 197,904.60 = 61,822.80 : x
  2. Step 2: Convert to fraction form
    132,087.60/197,904.60 = 61,822.80/x
  3. Step 3: Cross multiply
    132,087.60x = 197,904.60 × 61,822.80
  4. Step 4: Simplify right side
    132,087.60x = 12,235,016,504.88
  5. Step 5: Solve for x
    x = 12,235,016,504.88/132,087.60
  6. Step 6: Final answer
    x = 92,628.05

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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.