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Finding the Fourth Proportional to 93,076.80, 138,562.47 and 92,523.22

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Solution

The fourth proportional to 93,076.80, 138,562.47 and 92,523.22 is: 137,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,076.80 : 138,562.47 = 92,523.22 : x
  2. Step 2: Convert to fraction form
    93,076.80/138,562.47 = 92,523.22/x
  3. Step 3: Cross multiply
    93,076.80x = 138,562.47 × 92,523.22
  4. Step 4: Simplify right side
    93,076.80x = 12,820,245,895.55
  5. Step 5: Solve for x
    x = 12,820,245,895.55/93,076.80
  6. Step 6: Final answer
    x = 137,738.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.