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Finding the Fourth Proportional to 169,696.16, 254,393.04 and 64,443.68

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Solution

The fourth proportional to 169,696.16, 254,393.04 and 64,443.68 is: 96,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,696.16 : 254,393.04 = 64,443.68 : x
  2. Step 2: Convert to fraction form
    169,696.16/254,393.04 = 64,443.68/x
  3. Step 3: Cross multiply
    169,696.16x = 254,393.04 × 64,443.68
  4. Step 4: Simplify right side
    169,696.16x = 16,394,023,663.99
  5. Step 5: Solve for x
    x = 16,394,023,663.99/169,696.16
  6. Step 6: Final answer
    x = 96,608.10

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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.