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Finding the Fourth Proportional to 67,555.32, 93,223.56 and 39,258.84

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Solution

The fourth proportional to 67,555.32, 93,223.56 and 39,258.84 is: 54,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,555.32 : 93,223.56 = 39,258.84 : x
  2. Step 2: Convert to fraction form
    67,555.32/93,223.56 = 39,258.84/x
  3. Step 3: Cross multiply
    67,555.32x = 93,223.56 × 39,258.84
  4. Step 4: Simplify right side
    67,555.32x = 3,659,848,826.27
  5. Step 5: Solve for x
    x = 3,659,848,826.27/67,555.32
  6. Step 6: Final answer
    x = 54,175.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.