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Finding the Fourth Proportional to 107,137.89, 160,720.56 and 36,030.06

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Solution

The fourth proportional to 107,137.89, 160,720.56 and 36,030.06 is: 54,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,137.89 : 160,720.56 = 36,030.06 : x
  2. Step 2: Convert to fraction form
    107,137.89/160,720.56 = 36,030.06/x
  3. Step 3: Cross multiply
    107,137.89x = 160,720.56 × 36,030.06
  4. Step 4: Simplify right side
    107,137.89x = 5,790,771,420.03
  5. Step 5: Solve for x
    x = 5,790,771,420.03/107,137.89
  6. Step 6: Final answer
    x = 54,049.71

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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.