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Finding the Fourth Proportional to 103,884.91, 143,352.54 and 58,574.04

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Solution

The fourth proportional to 103,884.91, 143,352.54 and 58,574.04 is: 80,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,884.91 : 143,352.54 = 58,574.04 : x
  2. Step 2: Convert to fraction form
    103,884.91/143,352.54 = 58,574.04/x
  3. Step 3: Cross multiply
    103,884.91x = 143,352.54 × 58,574.04
  4. Step 4: Simplify right side
    103,884.91x = 8,396,737,412.06
  5. Step 5: Solve for x
    x = 8,396,737,412.06/103,884.91
  6. Step 6: Final answer
    x = 80,827.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.