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Finding the Fourth Proportional to 167,098.40, 250,647.60 and 155,288.60

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Solution

The fourth proportional to 167,098.40, 250,647.60 and 155,288.60 is: 232,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,098.40 : 250,647.60 = 155,288.60 : x
  2. Step 2: Convert to fraction form
    167,098.40/250,647.60 = 155,288.60/x
  3. Step 3: Cross multiply
    167,098.40x = 250,647.60 × 155,288.60
  4. Step 4: Simplify right side
    167,098.40x = 38,922,714,897.36
  5. Step 5: Solve for x
    x = 38,922,714,897.36/167,098.40
  6. Step 6: Final answer
    x = 232,932.90

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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.