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Finding the Fourth Proportional to 201,719.78, 302,627.06 and 113,034.50

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Solution

The fourth proportional to 201,719.78, 302,627.06 and 113,034.50 is: 169,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,719.78 : 302,627.06 = 113,034.50 : x
  2. Step 2: Convert to fraction form
    201,719.78/302,627.06 = 113,034.50/x
  3. Step 3: Cross multiply
    201,719.78x = 302,627.06 × 113,034.50
  4. Step 4: Simplify right side
    201,719.78x = 34,207,298,413.57
  5. Step 5: Solve for x
    x = 34,207,298,413.57/201,719.78
  6. Step 6: Final answer
    x = 169,578.31

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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.