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Finding the Fourth Proportional to 167,440.80, 251,015.40 and 100,810.20

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Solution

The fourth proportional to 167,440.80, 251,015.40 and 100,810.20 is: 151,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,440.80 : 251,015.40 = 100,810.20 : x
  2. Step 2: Convert to fraction form
    167,440.80/251,015.40 = 100,810.20/x
  3. Step 3: Cross multiply
    167,440.80x = 251,015.40 × 100,810.20
  4. Step 4: Simplify right side
    167,440.80x = 25,304,912,677.08
  5. Step 5: Solve for x
    x = 25,304,912,677.08/167,440.80
  6. Step 6: Final answer
    x = 151,127.52

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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.