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Finding the Fourth Proportional to 103,958.88, 155,957.57 and 32,899.38

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Solution

The fourth proportional to 103,958.88, 155,957.57 and 32,899.38 is: 49,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958.88 : 155,957.57 = 32,899.38 : x
  2. Step 2: Convert to fraction form
    103,958.88/155,957.57 = 32,899.38/x
  3. Step 3: Cross multiply
    103,958.88x = 155,957.57 × 32,899.38
  4. Step 4: Simplify right side
    103,958.88x = 5,130,907,194.81
  5. Step 5: Solve for x
    x = 5,130,907,194.81/103,958.88
  6. Step 6: Final answer
    x = 49,355.16

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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.