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Finding the Fourth Proportional to 114,943.20, 172,312.20 and 44,806.20

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Solution

The fourth proportional to 114,943.20, 172,312.20 and 44,806.20 is: 67,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943.20 : 172,312.20 = 44,806.20 : x
  2. Step 2: Convert to fraction form
    114,943.20/172,312.20 = 44,806.20/x
  3. Step 3: Cross multiply
    114,943.20x = 172,312.20 × 44,806.20
  4. Step 4: Simplify right side
    114,943.20x = 7,720,654,895.64
  5. Step 5: Solve for x
    x = 7,720,654,895.64/114,943.20
  6. Step 6: Final answer
    x = 67,169.31

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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.