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Finding the Fourth Proportional to 189,304.29, 283,849.92 and 62,876.86

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Solution

The fourth proportional to 189,304.29, 283,849.92 and 62,876.86 is: 94,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,304.29 : 283,849.92 = 62,876.86 : x
  2. Step 2: Convert to fraction form
    189,304.29/283,849.92 = 62,876.86/x
  3. Step 3: Cross multiply
    189,304.29x = 283,849.92 × 62,876.86
  4. Step 4: Simplify right side
    189,304.29x = 17,847,590,971.23
  5. Step 5: Solve for x
    x = 17,847,590,971.23/189,304.29
  6. Step 6: Final answer
    x = 94,279.91

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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.