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Finding the Fourth Proportional to 93,766.57, 129,396.56 and 53,481.02

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Solution

The fourth proportional to 93,766.57, 129,396.56 and 53,481.02 is: 73,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,766.57 : 129,396.56 = 53,481.02 : x
  2. Step 2: Convert to fraction form
    93,766.57/129,396.56 = 53,481.02/x
  3. Step 3: Cross multiply
    93,766.57x = 129,396.56 × 53,481.02
  4. Step 4: Simplify right side
    93,766.57x = 6,920,259,098.90
  5. Step 5: Solve for x
    x = 6,920,259,098.90/93,766.57
  6. Step 6: Final answer
    x = 73,803.05

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Why These Related Problems?

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