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Finding the Fourth Proportional to 167,603.48, 251,405.22 and 117,905.95

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Solution

The fourth proportional to 167,603.48, 251,405.22 and 117,905.95 is: 176,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,603.48 : 251,405.22 = 117,905.95 : x
  2. Step 2: Convert to fraction form
    167,603.48/251,405.22 = 117,905.95/x
  3. Step 3: Cross multiply
    167,603.48x = 251,405.22 × 117,905.95
  4. Step 4: Simplify right side
    167,603.48x = 29,642,172,099.32
  5. Step 5: Solve for x
    x = 29,642,172,099.32/167,603.48
  6. Step 6: Final answer
    x = 176,858.93

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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.