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Finding the Fourth Proportional to 67,808.76, 101,699.22 and 25,674.34

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Solution

The fourth proportional to 67,808.76, 101,699.22 and 25,674.34 is: 38,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.76 : 101,699.22 = 25,674.34 : x
  2. Step 2: Convert to fraction form
    67,808.76/101,699.22 = 25,674.34/x
  3. Step 3: Cross multiply
    67,808.76x = 101,699.22 × 25,674.34
  4. Step 4: Simplify right side
    67,808.76x = 2,611,060,352.01
  5. Step 5: Solve for x
    x = 2,611,060,352.01/67,808.76
  6. Step 6: Final answer
    x = 38,506.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.