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Finding the Fourth Proportional to 295,624.09, 443,419.71 and 137,963.26

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Solution

The fourth proportional to 295,624.09, 443,419.71 and 137,963.26 is: 206,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,624.09 : 443,419.71 = 137,963.26 : x
  2. Step 2: Convert to fraction form
    295,624.09/443,419.71 = 137,963.26/x
  3. Step 3: Cross multiply
    295,624.09x = 443,419.71 × 137,963.26
  4. Step 4: Simplify right side
    295,624.09x = 61,175,628,739.85
  5. Step 5: Solve for x
    x = 61,175,628,739.85/295,624.09
  6. Step 6: Final answer
    x = 206,937.22

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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.