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Finding the Fourth Proportional to 132,797.82, 183,258.60 and 72,368.97

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Solution

The fourth proportional to 132,797.82, 183,258.60 and 72,368.97 is: 99,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,797.82 : 183,258.60 = 72,368.97 : x
  2. Step 2: Convert to fraction form
    132,797.82/183,258.60 = 72,368.97/x
  3. Step 3: Cross multiply
    132,797.82x = 183,258.60 × 72,368.97
  4. Step 4: Simplify right side
    132,797.82x = 13,262,236,125.64
  5. Step 5: Solve for x
    x = 13,262,236,125.64/132,797.82
  6. Step 6: Final answer
    x = 99,867.88

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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.