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Finding the Fourth Proportional to 60,499.12, 90,753 and 16,125.64

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Solution

The fourth proportional to 60,499.12, 90,753 and 16,125.64 is: 24,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499.12 : 90,753 = 16,125.64 : x
  2. Step 2: Convert to fraction form
    60,499.12/90,753 = 16,125.64/x
  3. Step 3: Cross multiply
    60,499.12x = 90,753 × 16,125.64
  4. Step 4: Simplify right side
    60,499.12x = 1,463,450,206.92
  5. Step 5: Solve for x
    x = 1,463,450,206.92/60,499.12
  6. Step 6: Final answer
    x = 24,189.61

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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.