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Finding the Fourth Proportional to 167,866.98, 251,775.64 and 61,225.98

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Solution

The fourth proportional to 167,866.98, 251,775.64 and 61,225.98 is: 91,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866.98 : 251,775.64 = 61,225.98 : x
  2. Step 2: Convert to fraction form
    167,866.98/251,775.64 = 61,225.98/x
  3. Step 3: Cross multiply
    167,866.98x = 251,775.64 × 61,225.98
  4. Step 4: Simplify right side
    167,866.98x = 15,415,209,431.50
  5. Step 5: Solve for x
    x = 15,415,209,431.50/167,866.98
  6. Step 6: Final answer
    x = 91,829.91

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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.