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Finding the Fourth Proportional to 169,370.86, 254,056.38 and 43,020.58

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Solution

The fourth proportional to 169,370.86, 254,056.38 and 43,020.58 is: 64,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,370.86 : 254,056.38 = 43,020.58 : x
  2. Step 2: Convert to fraction form
    169,370.86/254,056.38 = 43,020.58/x
  3. Step 3: Cross multiply
    169,370.86x = 254,056.38 × 43,020.58
  4. Step 4: Simplify right side
    169,370.86x = 10,929,652,820.30
  5. Step 5: Solve for x
    x = 10,929,652,820.30/169,370.86
  6. Step 6: Final answer
    x = 64,530.89

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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.