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Finding the Fourth Proportional to 169,160.16, 253,620.18 and 84,859.68

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Solution

The fourth proportional to 169,160.16, 253,620.18 and 84,859.68 is: 127,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,160.16 : 253,620.18 = 84,859.68 : x
  2. Step 2: Convert to fraction form
    169,160.16/253,620.18 = 84,859.68/x
  3. Step 3: Cross multiply
    169,160.16x = 253,620.18 × 84,859.68
  4. Step 4: Simplify right side
    169,160.16x = 21,522,127,316.34
  5. Step 5: Solve for x
    x = 21,522,127,316.34/169,160.16
  6. Step 6: Final answer
    x = 127,229.29

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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.