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Finding the Fourth Proportional to 94,766.76, 142,138.80 and 73,727.88

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Solution

The fourth proportional to 94,766.76, 142,138.80 and 73,727.88 is: 110,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,766.76 : 142,138.80 = 73,727.88 : x
  2. Step 2: Convert to fraction form
    94,766.76/142,138.80 = 73,727.88/x
  3. Step 3: Cross multiply
    94,766.76x = 142,138.80 × 73,727.88
  4. Step 4: Simplify right side
    94,766.76x = 10,479,592,389.74
  5. Step 5: Solve for x
    x = 10,479,592,389.74/94,766.76
  6. Step 6: Final answer
    x = 110,583.00

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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.