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Finding the Fourth Proportional to 168,580.82, 252,907.68 and 89,683.58

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Solution

The fourth proportional to 168,580.82, 252,907.68 and 89,683.58 is: 134,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,580.82 : 252,907.68 = 89,683.58 : x
  2. Step 2: Convert to fraction form
    168,580.82/252,907.68 = 89,683.58/x
  3. Step 3: Cross multiply
    168,580.82x = 252,907.68 × 89,683.58
  4. Step 4: Simplify right side
    168,580.82x = 22,681,666,151.89
  5. Step 5: Solve for x
    x = 22,681,666,151.89/168,580.82
  6. Step 6: Final answer
    x = 134,544.76

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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.