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Finding the Fourth Proportional to 168,478.89, 252,701.01 and 56,147.01

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Solution

The fourth proportional to 168,478.89, 252,701.01 and 56,147.01 is: 84,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,478.89 : 252,701.01 = 56,147.01 : x
  2. Step 2: Convert to fraction form
    168,478.89/252,701.01 = 56,147.01/x
  3. Step 3: Cross multiply
    168,478.89x = 252,701.01 × 56,147.01
  4. Step 4: Simplify right side
    168,478.89x = 14,188,406,135.48
  5. Step 5: Solve for x
    x = 14,188,406,135.48/168,478.89
  6. Step 6: Final answer
    x = 84,214.74

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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.