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Finding the Fourth Proportional to 169,298.10, 253,999.80 and 69,466.41

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Solution

The fourth proportional to 169,298.10, 253,999.80 and 69,466.41 is: 104,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,298.10 : 253,999.80 = 69,466.41 : x
  2. Step 2: Convert to fraction form
    169,298.10/253,999.80 = 69,466.41/x
  3. Step 3: Cross multiply
    169,298.10x = 253,999.80 × 69,466.41
  4. Step 4: Simplify right side
    169,298.10x = 17,644,454,246.72
  5. Step 5: Solve for x
    x = 17,644,454,246.72/169,298.10
  6. Step 6: Final answer
    x = 104,221.22

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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.