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Finding the Fourth Proportional to 169,075.16, 253,662.13 and 75,559.04

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Solution

The fourth proportional to 169,075.16, 253,662.13 and 75,559.04 is: 113,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,075.16 : 253,662.13 = 75,559.04 : x
  2. Step 2: Convert to fraction form
    169,075.16/253,662.13 = 75,559.04/x
  3. Step 3: Cross multiply
    169,075.16x = 253,662.13 × 75,559.04
  4. Step 4: Simplify right side
    169,075.16x = 19,166,467,027.16
  5. Step 5: Solve for x
    x = 19,166,467,027.16/169,075.16
  6. Step 6: Final answer
    x = 113,360.63

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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.