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Finding the Fourth Proportional to 167,905.20, 251,857.80 and 149,534.40

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Solution

The fourth proportional to 167,905.20, 251,857.80 and 149,534.40 is: 224,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,905.20 : 251,857.80 = 149,534.40 : x
  2. Step 2: Convert to fraction form
    167,905.20/251,857.80 = 149,534.40/x
  3. Step 3: Cross multiply
    167,905.20x = 251,857.80 × 149,534.40
  4. Step 4: Simplify right side
    167,905.20x = 37,661,405,008.32
  5. Step 5: Solve for x
    x = 37,661,405,008.32/167,905.20
  6. Step 6: Final answer
    x = 224,301.60

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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.