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Finding the Fourth Proportional to 103,326.97, 154,842.43 and 58,861.91

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Solution

The fourth proportional to 103,326.97, 154,842.43 and 58,861.91 is: 88,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,326.97 : 154,842.43 = 58,861.91 : x
  2. Step 2: Convert to fraction form
    103,326.97/154,842.43 = 58,861.91/x
  3. Step 3: Cross multiply
    103,326.97x = 154,842.43 × 58,861.91
  4. Step 4: Simplify right side
    103,326.97x = 9,114,321,178.84
  5. Step 5: Solve for x
    x = 9,114,321,178.84/103,326.97
  6. Step 6: Final answer
    x = 88,208.54

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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.