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Finding the Fourth Proportional to 56,668.36, 78,197.51 and 32,796.51

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Solution

The fourth proportional to 56,668.36, 78,197.51 and 32,796.51 is: 45,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.36 : 78,197.51 = 32,796.51 : x
  2. Step 2: Convert to fraction form
    56,668.36/78,197.51 = 32,796.51/x
  3. Step 3: Cross multiply
    56,668.36x = 78,197.51 × 32,796.51
  4. Step 4: Simplify right side
    56,668.36x = 2,564,605,500.68
  5. Step 5: Solve for x
    x = 2,564,605,500.68/56,668.36
  6. Step 6: Final answer
    x = 45,256.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.