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Finding the Fourth Proportional to 169,647.80, 254,471.70 and 148,911.80

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Solution

The fourth proportional to 169,647.80, 254,471.70 and 148,911.80 is: 223,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,647.80 : 254,471.70 = 148,911.80 : x
  2. Step 2: Convert to fraction form
    169,647.80/254,471.70 = 148,911.80/x
  3. Step 3: Cross multiply
    169,647.80x = 254,471.70 × 148,911.80
  4. Step 4: Simplify right side
    169,647.80x = 37,893,838,896.06
  5. Step 5: Solve for x
    x = 37,893,838,896.06/169,647.80
  6. Step 6: Final answer
    x = 223,367.70

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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.