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Finding the Fourth Proportional to 264,871, 397,556.18 and 96,554

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Solution

The fourth proportional to 264,871, 397,556.18 and 96,554 is: 144,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,871 : 397,556.18 = 96,554 : x
  2. Step 2: Convert to fraction form
    264,871/397,556.18 = 96,554/x
  3. Step 3: Cross multiply
    264,871x = 397,556.18 × 96,554
  4. Step 4: Simplify right side
    264,871x = 38,385,639,403.72
  5. Step 5: Solve for x
    x = 38,385,639,403.72/264,871
  6. Step 6: Final answer
    x = 144,922.02

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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.