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Finding the Fourth Proportional to 168,647.57, 252,943.65 and 60,554.57

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Solution

The fourth proportional to 168,647.57, 252,943.65 and 60,554.57 is: 90,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,647.57 : 252,943.65 = 60,554.57 : x
  2. Step 2: Convert to fraction form
    168,647.57/252,943.65 = 60,554.57/x
  3. Step 3: Cross multiply
    168,647.57x = 252,943.65 × 60,554.57
  4. Step 4: Simplify right side
    168,647.57x = 15,316,892,695.26
  5. Step 5: Solve for x
    x = 15,316,892,695.26/168,647.57
  6. Step 6: Final answer
    x = 90,821.90

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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.