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Finding the Fourth Proportional to 169,472.60, 254,207.79 and 43,111.77

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Solution

The fourth proportional to 169,472.60, 254,207.79 and 43,111.77 is: 64,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,472.60 : 254,207.79 = 43,111.77 : x
  2. Step 2: Convert to fraction form
    169,472.60/254,207.79 = 43,111.77/x
  3. Step 3: Cross multiply
    169,472.60x = 254,207.79 × 43,111.77
  4. Step 4: Simplify right side
    169,472.60x = 10,959,346,821.41
  5. Step 5: Solve for x
    x = 10,959,346,821.41/169,472.60
  6. Step 6: Final answer
    x = 64,667.37

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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.