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Finding the Fourth Proportional to 67,734.98, 101,602.47 and 28,264.41

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Solution

The fourth proportional to 67,734.98, 101,602.47 and 28,264.41 is: 42,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.98 : 101,602.47 = 28,264.41 : x
  2. Step 2: Convert to fraction form
    67,734.98/101,602.47 = 28,264.41/x
  3. Step 3: Cross multiply
    67,734.98x = 101,602.47 × 28,264.41
  4. Step 4: Simplify right side
    67,734.98x = 2,871,734,000.60
  5. Step 5: Solve for x
    x = 2,871,734,000.60/67,734.98
  6. Step 6: Final answer
    x = 42,396.62

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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.