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Finding the Fourth Proportional to 295,987.01, 408,515.46 and 166,965.08

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Solution

The fourth proportional to 295,987.01, 408,515.46 and 166,965.08 is: 230,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,987.01 : 408,515.46 = 166,965.08 : x
  2. Step 2: Convert to fraction form
    295,987.01/408,515.46 = 166,965.08/x
  3. Step 3: Cross multiply
    295,987.01x = 408,515.46 × 166,965.08
  4. Step 4: Simplify right side
    295,987.01x = 68,207,816,460.14
  5. Step 5: Solve for x
    x = 68,207,816,460.14/295,987.01
  6. Step 6: Final answer
    x = 230,441.93

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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.