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Finding the Fourth Proportional to 107,795.70, 161,693.55 and 41,201.55

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Solution

The fourth proportional to 107,795.70, 161,693.55 and 41,201.55 is: 61,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,795.70 : 161,693.55 = 41,201.55 : x
  2. Step 2: Convert to fraction form
    107,795.70/161,693.55 = 41,201.55/x
  3. Step 3: Cross multiply
    107,795.70x = 161,693.55 × 41,201.55
  4. Step 4: Simplify right side
    107,795.70x = 6,662,024,885.00
  5. Step 5: Solve for x
    x = 6,662,024,885.00/107,795.70
  6. Step 6: Final answer
    x = 61,802.33

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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.