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Finding the Fourth Proportional to 167,964.60, 251,946.90 and 83,983.80

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Solution

The fourth proportional to 167,964.60, 251,946.90 and 83,983.80 is: 125,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,964.60 : 251,946.90 = 83,983.80 : x
  2. Step 2: Convert to fraction form
    167,964.60/251,946.90 = 83,983.80/x
  3. Step 3: Cross multiply
    167,964.60x = 251,946.90 × 83,983.80
  4. Step 4: Simplify right side
    167,964.60x = 21,159,458,060.22
  5. Step 5: Solve for x
    x = 21,159,458,060.22/167,964.60
  6. Step 6: Final answer
    x = 125,975.70

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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.