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Finding the Fourth Proportional to 103,801, 143,245.54 and 59,089

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Solution

The fourth proportional to 103,801, 143,245.54 and 59,089 is: 81,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801 : 143,245.54 = 59,089 : x
  2. Step 2: Convert to fraction form
    103,801/143,245.54 = 59,089/x
  3. Step 3: Cross multiply
    103,801x = 143,245.54 × 59,089
  4. Step 4: Simplify right side
    103,801x = 8,464,235,713.06
  5. Step 5: Solve for x
    x = 8,464,235,713.06/103,801
  6. Step 6: Final answer
    x = 81,542.91

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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.