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Finding the Fourth Proportional to 69,770.54, 96,254.94 and 39,549.46

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Solution

The fourth proportional to 69,770.54, 96,254.94 and 39,549.46 is: 54,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770.54 : 96,254.94 = 39,549.46 : x
  2. Step 2: Convert to fraction form
    69,770.54/96,254.94 = 39,549.46/x
  3. Step 3: Cross multiply
    69,770.54x = 96,254.94 × 39,549.46
  4. Step 4: Simplify right side
    69,770.54x = 3,806,830,899.33
  5. Step 5: Solve for x
    x = 3,806,830,899.33/69,770.54
  6. Step 6: Final answer
    x = 54,562.15

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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.