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Finding the Fourth Proportional to 169,789.01, 254,683.24 and 45,130.01

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Solution

The fourth proportional to 169,789.01, 254,683.24 and 45,130.01 is: 67,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,789.01 : 254,683.24 = 45,130.01 : x
  2. Step 2: Convert to fraction form
    169,789.01/254,683.24 = 45,130.01/x
  3. Step 3: Cross multiply
    169,789.01x = 254,683.24 × 45,130.01
  4. Step 4: Simplify right side
    169,789.01x = 11,493,855,781.79
  5. Step 5: Solve for x
    x = 11,493,855,781.79/169,789.01
  6. Step 6: Final answer
    x = 67,694.94

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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.