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Finding the Fourth Proportional to 167,472.20, 251,208.30 and 148,809.80

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Solution

The fourth proportional to 167,472.20, 251,208.30 and 148,809.80 is: 223,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,472.20 : 251,208.30 = 148,809.80 : x
  2. Step 2: Convert to fraction form
    167,472.20/251,208.30 = 148,809.80/x
  3. Step 3: Cross multiply
    167,472.20x = 251,208.30 × 148,809.80
  4. Step 4: Simplify right side
    167,472.20x = 37,382,256,881.34
  5. Step 5: Solve for x
    x = 37,382,256,881.34/167,472.20
  6. Step 6: Final answer
    x = 223,214.70

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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.