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Finding the Fourth Proportional to 376,708.36, 565,000.44 and 123,992.14

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Solution

The fourth proportional to 376,708.36, 565,000.44 and 123,992.14 is: 185,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,708.36 : 565,000.44 = 123,992.14 : x
  2. Step 2: Convert to fraction form
    376,708.36/565,000.44 = 123,992.14/x
  3. Step 3: Cross multiply
    376,708.36x = 565,000.44 × 123,992.14
  4. Step 4: Simplify right side
    376,708.36x = 70,055,613,656.54
  5. Step 5: Solve for x
    x = 70,055,613,656.54/376,708.36
  6. Step 6: Final answer
    x = 185,967.77

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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.