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Finding the Fourth Proportional to 169,647.60, 254,480.14 and 43,288.94

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Solution

The fourth proportional to 169,647.60, 254,480.14 and 43,288.94 is: 64,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,647.60 : 254,480.14 = 43,288.94 : x
  2. Step 2: Convert to fraction form
    169,647.60/254,480.14 = 43,288.94/x
  3. Step 3: Cross multiply
    169,647.60x = 254,480.14 × 43,288.94
  4. Step 4: Simplify right side
    169,647.60x = 11,016,175,511.65
  5. Step 5: Solve for x
    x = 11,016,175,511.65/169,647.60
  6. Step 6: Final answer
    x = 64,935.64

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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.