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Finding the Fourth Proportional to 114,941.20, 172,309.20 and 44,804.20

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Solution

The fourth proportional to 114,941.20, 172,309.20 and 44,804.20 is: 67,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,941.20 : 172,309.20 = 44,804.20 : x
  2. Step 2: Convert to fraction form
    114,941.20/172,309.20 = 44,804.20/x
  3. Step 3: Cross multiply
    114,941.20x = 172,309.20 × 44,804.20
  4. Step 4: Simplify right side
    114,941.20x = 7,720,175,858.64
  5. Step 5: Solve for x
    x = 7,720,175,858.64/114,941.20
  6. Step 6: Final answer
    x = 67,166.31

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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.