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Finding the Fourth Proportional to 231,199.96, 346,807.07 and 62,719.63

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Solution

The fourth proportional to 231,199.96, 346,807.07 and 62,719.63 is: 94,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,199.96 : 346,807.07 = 62,719.63 : x
  2. Step 2: Convert to fraction form
    231,199.96/346,807.07 = 62,719.63/x
  3. Step 3: Cross multiply
    231,199.96x = 346,807.07 × 62,719.63
  4. Step 4: Simplify right side
    231,199.96x = 21,751,611,111.78
  5. Step 5: Solve for x
    x = 21,751,611,111.78/231,199.96
  6. Step 6: Final answer
    x = 94,081.38

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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.