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Finding the Fourth Proportional to 94,288.88, 141,353.88 and 40,940.72

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Solution

The fourth proportional to 94,288.88, 141,353.88 and 40,940.72 is: 61,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,288.88 : 141,353.88 = 40,940.72 : x
  2. Step 2: Convert to fraction form
    94,288.88/141,353.88 = 40,940.72/x
  3. Step 3: Cross multiply
    94,288.88x = 141,353.88 × 40,940.72
  4. Step 4: Simplify right side
    94,288.88x = 5,787,129,621.99
  5. Step 5: Solve for x
    x = 5,787,129,621.99/94,288.88
  6. Step 6: Final answer
    x = 61,376.59

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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.