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Finding the Fourth Proportional to 264,529.81, 365,053.78 and 143,673.46

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Solution

The fourth proportional to 264,529.81, 365,053.78 and 143,673.46 is: 198,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,529.81 : 365,053.78 = 143,673.46 : x
  2. Step 2: Convert to fraction form
    264,529.81/365,053.78 = 143,673.46/x
  3. Step 3: Cross multiply
    264,529.81x = 365,053.78 × 143,673.46
  4. Step 4: Simplify right side
    264,529.81x = 52,448,539,658.68
  5. Step 5: Solve for x
    x = 52,448,539,658.68/264,529.81
  6. Step 6: Final answer
    x = 198,270.81

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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.