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Finding the Fourth Proportional to 178,741.69, 268,145.50 and 58,805.39

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Solution

The fourth proportional to 178,741.69, 268,145.50 and 58,805.39 is: 88,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,741.69 : 268,145.50 = 58,805.39 : x
  2. Step 2: Convert to fraction form
    178,741.69/268,145.50 = 58,805.39/x
  3. Step 3: Cross multiply
    178,741.69x = 268,145.50 × 58,805.39
  4. Step 4: Simplify right side
    178,741.69x = 15,768,400,704.25
  5. Step 5: Solve for x
    x = 15,768,400,704.25/178,741.69
  6. Step 6: Final answer
    x = 88,218.93

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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.