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Finding the Fourth Proportional to 93,745.54, 129,348.84 and 55,517.10

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Solution

The fourth proportional to 93,745.54, 129,348.84 and 55,517.10 is: 76,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,745.54 : 129,348.84 = 55,517.10 : x
  2. Step 2: Convert to fraction form
    93,745.54/129,348.84 = 55,517.10/x
  3. Step 3: Cross multiply
    93,745.54x = 129,348.84 × 55,517.10
  4. Step 4: Simplify right side
    93,745.54x = 7,181,071,838.42
  5. Step 5: Solve for x
    x = 7,181,071,838.42/93,745.54
  6. Step 6: Final answer
    x = 76,601.74

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1.5x scale

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.