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Finding the Fourth Proportional to 167,045.06, 250,448.56 and 78,250.14

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Solution

The fourth proportional to 167,045.06, 250,448.56 and 78,250.14 is: 117,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,045.06 : 250,448.56 = 78,250.14 : x
  2. Step 2: Convert to fraction form
    167,045.06/250,448.56 = 78,250.14/x
  3. Step 3: Cross multiply
    167,045.06x = 250,448.56 × 78,250.14
  4. Step 4: Simplify right side
    167,045.06x = 19,597,634,687.17
  5. Step 5: Solve for x
    x = 19,597,634,687.17/167,045.06
  6. Step 6: Final answer
    x = 117,319.45

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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.