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Finding the Fourth Proportional to 217,097.80, 325,646.70 and 195,670.60

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Solution

The fourth proportional to 217,097.80, 325,646.70 and 195,670.60 is: 293,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,097.80 : 325,646.70 = 195,670.60 : x
  2. Step 2: Convert to fraction form
    217,097.80/325,646.70 = 195,670.60/x
  3. Step 3: Cross multiply
    217,097.80x = 325,646.70 × 195,670.60
  4. Step 4: Simplify right side
    217,097.80x = 63,719,485,177.02
  5. Step 5: Solve for x
    x = 63,719,485,177.02/217,097.80
  6. Step 6: Final answer
    x = 293,505.90

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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.