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Finding the Fourth Proportional to 88,935.38, 133,288.41 and 66,573.62

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Solution

The fourth proportional to 88,935.38, 133,288.41 and 66,573.62 is: 99,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,935.38 : 133,288.41 = 66,573.62 : x
  2. Step 2: Convert to fraction form
    88,935.38/133,288.41 = 66,573.62/x
  3. Step 3: Cross multiply
    88,935.38x = 133,288.41 × 66,573.62
  4. Step 4: Simplify right side
    88,935.38x = 8,873,491,957.74
  5. Step 5: Solve for x
    x = 8,873,491,957.74/88,935.38
  6. Step 6: Final answer
    x = 99,774.60

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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.