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Finding the Fourth Proportional to 79,893.66, 119,726.28 and 58,667.16

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Solution

The fourth proportional to 79,893.66, 119,726.28 and 58,667.16 is: 87,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,893.66 : 119,726.28 = 58,667.16 : x
  2. Step 2: Convert to fraction form
    79,893.66/119,726.28 = 58,667.16/x
  3. Step 3: Cross multiply
    79,893.66x = 119,726.28 × 58,667.16
  4. Step 4: Simplify right side
    79,893.66x = 7,024,000,824.96
  5. Step 5: Solve for x
    x = 7,024,000,824.96/79,893.66
  6. Step 6: Final answer
    x = 87,916.87

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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.