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Finding the Fourth Proportional to 79,495.48, 118,983.61 and 58,429.95

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Solution

The fourth proportional to 79,495.48, 118,983.61 and 58,429.95 is: 87,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.48 : 118,983.61 = 58,429.95 : x
  2. Step 2: Convert to fraction form
    79,495.48/118,983.61 = 58,429.95/x
  3. Step 3: Cross multiply
    79,495.48x = 118,983.61 × 58,429.95
  4. Step 4: Simplify right side
    79,495.48x = 6,952,206,383.12
  5. Step 5: Solve for x
    x = 6,952,206,383.12/79,495.48
  6. Step 6: Final answer
    x = 87,454.11

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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.