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Finding the Fourth Proportional to 67,602, 101,403.02 and 18,354

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Solution

The fourth proportional to 67,602, 101,403.02 and 18,354 is: 27,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,602 : 101,403.02 = 18,354 : x
  2. Step 2: Convert to fraction form
    67,602/101,403.02 = 18,354/x
  3. Step 3: Cross multiply
    67,602x = 101,403.02 × 18,354
  4. Step 4: Simplify right side
    67,602x = 1,861,151,029.08
  5. Step 5: Solve for x
    x = 1,861,151,029.08/67,602
  6. Step 6: Final answer
    x = 27,531.01

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