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Finding the Fourth Proportional to 308,023.95, 462,035.66 and 115,934.27

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Solution

The fourth proportional to 308,023.95, 462,035.66 and 115,934.27 is: 173,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,023.95 : 462,035.66 = 115,934.27 : x
  2. Step 2: Convert to fraction form
    308,023.95/462,035.66 = 115,934.27/x
  3. Step 3: Cross multiply
    308,023.95x = 462,035.66 × 115,934.27
  4. Step 4: Simplify right side
    308,023.95x = 53,565,764,066.22
  5. Step 5: Solve for x
    x = 53,565,764,066.22/308,023.95
  6. Step 6: Final answer
    x = 173,901.30

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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.