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Finding the Fourth Proportional to 114,744.30, 172,127.07 and 44,628.90

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Solution

The fourth proportional to 114,744.30, 172,127.07 and 44,628.90 is: 66,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,744.30 : 172,127.07 = 44,628.90 : x
  2. Step 2: Convert to fraction form
    114,744.30/172,127.07 = 44,628.90/x
  3. Step 3: Cross multiply
    114,744.30x = 172,127.07 × 44,628.90
  4. Step 4: Simplify right side
    114,744.30x = 7,681,841,794.32
  5. Step 5: Solve for x
    x = 7,681,841,794.32/114,744.30
  6. Step 6: Final answer
    x = 66,947.48

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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.