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Finding the Fourth Proportional to 66,295.25, 99,551.41 and 43,535.87

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Solution

The fourth proportional to 66,295.25, 99,551.41 and 43,535.87 is: 65,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.25 : 99,551.41 = 43,535.87 : x
  2. Step 2: Convert to fraction form
    66,295.25/99,551.41 = 43,535.87/x
  3. Step 3: Cross multiply
    66,295.25x = 99,551.41 × 43,535.87
  4. Step 4: Simplify right side
    66,295.25x = 4,334,057,244.08
  5. Step 5: Solve for x
    x = 4,334,057,244.08/66,295.25
  6. Step 6: Final answer
    x = 65,375.08

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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.