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Finding the Fourth Proportional to 66,074.46, 99,110.80 and 16,154.99

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Solution

The fourth proportional to 66,074.46, 99,110.80 and 16,154.99 is: 24,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.46 : 99,110.80 = 16,154.99 : x
  2. Step 2: Convert to fraction form
    66,074.46/99,110.80 = 16,154.99/x
  3. Step 3: Cross multiply
    66,074.46x = 99,110.80 × 16,154.99
  4. Step 4: Simplify right side
    66,074.46x = 1,601,133,446.95
  5. Step 5: Solve for x
    x = 1,601,133,446.95/66,074.46
  6. Step 6: Final answer
    x = 24,232.26

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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.