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Finding the Fourth Proportional to 169,469.27, 254,210.52 and 51,140.63

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Solution

The fourth proportional to 169,469.27, 254,210.52 and 51,140.63 is: 76,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469.27 : 254,210.52 = 51,140.63 : x
  2. Step 2: Convert to fraction form
    169,469.27/254,210.52 = 51,140.63/x
  3. Step 3: Cross multiply
    169,469.27x = 254,210.52 × 51,140.63
  4. Step 4: Simplify right side
    169,469.27x = 13,000,486,145.43
  5. Step 5: Solve for x
    x = 13,000,486,145.43/169,469.27
  6. Step 6: Final answer
    x = 76,712.94

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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.