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Finding the Fourth Proportional to 168,681.96, 252,940.32 and 56,323.62

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Solution

The fourth proportional to 168,681.96, 252,940.32 and 56,323.62 is: 84,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,681.96 : 252,940.32 = 56,323.62 : x
  2. Step 2: Convert to fraction form
    168,681.96/252,940.32 = 56,323.62/x
  3. Step 3: Cross multiply
    168,681.96x = 252,940.32 × 56,323.62
  4. Step 4: Simplify right side
    168,681.96x = 14,246,514,466.36
  5. Step 5: Solve for x
    x = 14,246,514,466.36/168,681.96
  6. Step 6: Final answer
    x = 84,457.84

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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.