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Finding the Fourth Proportional to 184,537.25, 254,660.25 and 103,990.65

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Solution

The fourth proportional to 184,537.25, 254,660.25 and 103,990.65 is: 143,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,537.25 : 254,660.25 = 103,990.65 : x
  2. Step 2: Convert to fraction form
    184,537.25/254,660.25 = 103,990.65/x
  3. Step 3: Cross multiply
    184,537.25x = 254,660.25 × 103,990.65
  4. Step 4: Simplify right side
    184,537.25x = 26,482,285,794.12
  5. Step 5: Solve for x
    x = 26,482,285,794.12/184,537.25
  6. Step 6: Final answer
    x = 143,506.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.