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Finding the Fourth Proportional to 167,280, 250,289.80 and 117,458.52

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Solution

The fourth proportional to 167,280, 250,289.80 and 117,458.52 is: 175,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,280 : 250,289.80 = 117,458.52 : x
  2. Step 2: Convert to fraction form
    167,280/250,289.80 = 117,458.52/x
  3. Step 3: Cross multiply
    167,280x = 250,289.80 × 117,458.52
  4. Step 4: Simplify right side
    167,280x = 29,398,669,479.10
  5. Step 5: Solve for x
    x = 29,398,669,479.10/167,280
  6. Step 6: Final answer
    x = 175,745.27

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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.