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Finding the Fourth Proportional to 73,097.80, 109,452.30 and 46,659.40

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Solution

The fourth proportional to 73,097.80, 109,452.30 and 46,659.40 is: 69,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,097.80 : 109,452.30 = 46,659.40 : x
  2. Step 2: Convert to fraction form
    73,097.80/109,452.30 = 46,659.40/x
  3. Step 3: Cross multiply
    73,097.80x = 109,452.30 × 46,659.40
  4. Step 4: Simplify right side
    73,097.80x = 5,106,978,646.62
  5. Step 5: Solve for x
    x = 5,106,978,646.62/73,097.80
  6. Step 6: Final answer
    x = 69,865.01

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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.