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Finding the Fourth Proportional to 167,312.55, 250,968.83 and 117,448.95

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Solution

The fourth proportional to 167,312.55, 250,968.83 and 117,448.95 is: 176,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,312.55 : 250,968.83 = 117,448.95 : x
  2. Step 2: Convert to fraction form
    167,312.55/250,968.83 = 117,448.95/x
  3. Step 3: Cross multiply
    167,312.55x = 250,968.83 × 117,448.95
  4. Step 4: Simplify right side
    167,312.55x = 29,476,024,978.98
  5. Step 5: Solve for x
    x = 29,476,024,978.98/167,312.55
  6. Step 6: Final answer
    x = 176,173.43

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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.