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Finding the Fourth Proportional to 106,028.37, 158,834.48 and 61,561.89

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Solution

The fourth proportional to 106,028.37, 158,834.48 and 61,561.89 is: 92,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,028.37 : 158,834.48 = 61,561.89 : x
  2. Step 2: Convert to fraction form
    106,028.37/158,834.48 = 61,561.89/x
  3. Step 3: Cross multiply
    106,028.37x = 158,834.48 × 61,561.89
  4. Step 4: Simplify right side
    106,028.37x = 9,778,150,478.16
  5. Step 5: Solve for x
    x = 9,778,150,478.16/106,028.37
  6. Step 6: Final answer
    x = 92,222.02

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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.