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Finding the Fourth Proportional to 167,662.88, 251,510.74 and 61,075.80

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Solution

The fourth proportional to 167,662.88, 251,510.74 and 61,075.80 is: 91,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,662.88 : 251,510.74 = 61,075.80 : x
  2. Step 2: Convert to fraction form
    167,662.88/251,510.74 = 61,075.80/x
  3. Step 3: Cross multiply
    167,662.88x = 251,510.74 × 61,075.80
  4. Step 4: Simplify right side
    167,662.88x = 15,361,219,654.09
  5. Step 5: Solve for x
    x = 15,361,219,654.09/167,662.88
  6. Step 6: Final answer
    x = 91,619.68

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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.