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Finding the Fourth Proportional to 168,687.41, 253,044.15 and 56,368.01

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Solution

The fourth proportional to 168,687.41, 253,044.15 and 56,368.01 is: 84,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,687.41 : 253,044.15 = 56,368.01 : x
  2. Step 2: Convert to fraction form
    168,687.41/253,044.15 = 56,368.01/x
  3. Step 3: Cross multiply
    168,687.41x = 253,044.15 × 56,368.01
  4. Step 4: Simplify right side
    168,687.41x = 14,263,595,810.25
  5. Step 5: Solve for x
    x = 14,263,595,810.25/168,687.41
  6. Step 6: Final answer
    x = 84,556.38

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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.