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Finding the Fourth Proportional to 169,495.77, 254,243.40 and 69,585.59

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Solution

The fourth proportional to 169,495.77, 254,243.40 and 69,585.59 is: 104,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,495.77 : 254,243.40 = 69,585.59 : x
  2. Step 2: Convert to fraction form
    169,495.77/254,243.40 = 69,585.59/x
  3. Step 3: Cross multiply
    169,495.77x = 254,243.40 × 69,585.59
  4. Step 4: Simplify right side
    169,495.77x = 17,691,675,721.39
  5. Step 5: Solve for x
    x = 17,691,675,721.39/169,495.77
  6. Step 6: Final answer
    x = 104,378.27

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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.