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Finding the Fourth Proportional to 169,074.36, 253,625.94 and 44,415

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Solution

The fourth proportional to 169,074.36, 253,625.94 and 44,415 is: 66,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,074.36 : 253,625.94 = 44,415 : x
  2. Step 2: Convert to fraction form
    169,074.36/253,625.94 = 44,415/x
  3. Step 3: Cross multiply
    169,074.36x = 253,625.94 × 44,415
  4. Step 4: Simplify right side
    169,074.36x = 11,264,796,125.10
  5. Step 5: Solve for x
    x = 11,264,796,125.10/169,074.36
  6. Step 6: Final answer
    x = 66,626.28

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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.