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Finding the Fourth Proportional to 169,706.44, 254,551.74 and 69,841.72

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Solution

The fourth proportional to 169,706.44, 254,551.74 and 69,841.72 is: 104,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,706.44 : 254,551.74 = 69,841.72 : x
  2. Step 2: Convert to fraction form
    169,706.44/254,551.74 = 69,841.72/x
  3. Step 3: Cross multiply
    169,706.44x = 254,551.74 × 69,841.72
  4. Step 4: Simplify right side
    169,706.44x = 17,778,331,350.59
  5. Step 5: Solve for x
    x = 17,778,331,350.59/169,706.44
  6. Step 6: Final answer
    x = 104,759.32

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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.