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Finding the Fourth Proportional to 66,164.04, 99,260.64 and 36,624.96

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Solution

The fourth proportional to 66,164.04, 99,260.64 and 36,624.96 is: 54,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,164.04 : 99,260.64 = 36,624.96 : x
  2. Step 2: Convert to fraction form
    66,164.04/99,260.64 = 36,624.96/x
  3. Step 3: Cross multiply
    66,164.04x = 99,260.64 × 36,624.96
  4. Step 4: Simplify right side
    66,164.04x = 3,635,416,969.57
  5. Step 5: Solve for x
    x = 3,635,416,969.57/66,164.04
  6. Step 6: Final answer
    x = 54,945.51

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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.