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Finding the Fourth Proportional to 60,492.96, 90,729.18 and 16,124.40

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Solution

The fourth proportional to 60,492.96, 90,729.18 and 16,124.40 is: 24,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.96 : 90,729.18 = 16,124.40 : x
  2. Step 2: Convert to fraction form
    60,492.96/90,729.18 = 16,124.40/x
  3. Step 3: Cross multiply
    60,492.96x = 90,729.18 × 16,124.40
  4. Step 4: Simplify right side
    60,492.96x = 1,462,953,589.99
  5. Step 5: Solve for x
    x = 1,462,953,589.99/60,492.96
  6. Step 6: Final answer
    x = 24,183.87

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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.