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Finding the Fourth Proportional to 68,025.78, 101,524.23 and 66,254.31

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Solution

The fourth proportional to 68,025.78, 101,524.23 and 66,254.31 is: 98,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,025.78 : 101,524.23 = 66,254.31 : x
  2. Step 2: Convert to fraction form
    68,025.78/101,524.23 = 66,254.31/x
  3. Step 3: Cross multiply
    68,025.78x = 101,524.23 × 66,254.31
  4. Step 4: Simplify right side
    68,025.78x = 6,726,417,806.93
  5. Step 5: Solve for x
    x = 6,726,417,806.93/68,025.78
  6. Step 6: Final answer
    x = 98,880.42

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1.5x scale

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.