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Finding the Fourth Proportional to 168,981.96, 253,477.68 and 63,777.48

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Solution

The fourth proportional to 168,981.96, 253,477.68 and 63,777.48 is: 95,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.96 : 253,477.68 = 63,777.48 : x
  2. Step 2: Convert to fraction form
    168,981.96/253,477.68 = 63,777.48/x
  3. Step 3: Cross multiply
    168,981.96x = 253,477.68 × 63,777.48
  4. Step 4: Simplify right side
    168,981.96x = 16,166,167,666.65
  5. Step 5: Solve for x
    x = 16,166,167,666.65/168,981.96
  6. Step 6: Final answer
    x = 95,668.01

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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.