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Finding the Fourth Proportional to 167,882.40, 251,823.60 and 166,132.80

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Solution

The fourth proportional to 167,882.40, 251,823.60 and 166,132.80 is: 249,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,882.40 : 251,823.60 = 166,132.80 : x
  2. Step 2: Convert to fraction form
    167,882.40/251,823.60 = 166,132.80/x
  3. Step 3: Cross multiply
    167,882.40x = 251,823.60 × 166,132.80
  4. Step 4: Simplify right side
    167,882.40x = 41,836,159,774.08
  5. Step 5: Solve for x
    x = 41,836,159,774.08/167,882.40
  6. Step 6: Final answer
    x = 249,199.20

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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.