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Finding the Fourth Proportional to 141,308.32, 194,957.24 and 87,573.72

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Solution

The fourth proportional to 141,308.32, 194,957.24 and 87,573.72 is: 120,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,308.32 : 194,957.24 = 87,573.72 : x
  2. Step 2: Convert to fraction form
    141,308.32/194,957.24 = 87,573.72/x
  3. Step 3: Cross multiply
    141,308.32x = 194,957.24 × 87,573.72
  4. Step 4: Simplify right side
    141,308.32x = 17,073,130,747.73
  5. Step 5: Solve for x
    x = 17,073,130,747.73/141,308.32
  6. Step 6: Final answer
    x = 120,821.84

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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.