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Finding the Fourth Proportional to 264,742.01, 365,347.49 and 143,885.69

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Solution

The fourth proportional to 264,742.01, 365,347.49 and 143,885.69 is: 198,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,742.01 : 365,347.49 = 143,885.69 : x
  2. Step 2: Convert to fraction form
    264,742.01/365,347.49 = 143,885.69/x
  3. Step 3: Cross multiply
    264,742.01x = 365,347.49 × 143,885.69
  4. Step 4: Simplify right side
    264,742.01x = 52,568,274,968.99
  5. Step 5: Solve for x
    x = 52,568,274,968.99/264,742.01
  6. Step 6: Final answer
    x = 198,564.16

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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.