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Finding the Fourth Proportional to 264,530.37, 365,054.54 and 143,672.81

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Solution

The fourth proportional to 264,530.37, 365,054.54 and 143,672.81 is: 198,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,530.37 : 365,054.54 = 143,672.81 : x
  2. Step 2: Convert to fraction form
    264,530.37/365,054.54 = 143,672.81/x
  3. Step 3: Cross multiply
    264,530.37x = 365,054.54 × 143,672.81
  4. Step 4: Simplify right side
    264,530.37x = 52,448,409,021.42
  5. Step 5: Solve for x
    x = 52,448,409,021.42/264,530.37
  6. Step 6: Final answer
    x = 198,269.90

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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.