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Finding the Fourth Proportional to 167,902.20, 251,634.60 and 67,980.60

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Solution

The fourth proportional to 167,902.20, 251,634.60 and 67,980.60 is: 101,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,902.20 : 251,634.60 = 67,980.60 : x
  2. Step 2: Convert to fraction form
    167,902.20/251,634.60 = 67,980.60/x
  3. Step 3: Cross multiply
    167,902.20x = 251,634.60 × 67,980.60
  4. Step 4: Simplify right side
    167,902.20x = 17,106,271,088.76
  5. Step 5: Solve for x
    x = 17,106,271,088.76/167,902.20
  6. Step 6: Final answer
    x = 101,882.35

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1.5x scale

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.