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Finding the Fourth Proportional to 321,151.03, 481,708.02 and 96,506.64

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Solution

The fourth proportional to 321,151.03, 481,708.02 and 96,506.64 is: 144,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,151.03 : 481,708.02 = 96,506.64 : x
  2. Step 2: Convert to fraction form
    321,151.03/481,708.02 = 96,506.64/x
  3. Step 3: Cross multiply
    321,151.03x = 481,708.02 × 96,506.64
  4. Step 4: Simplify right side
    321,151.03x = 46,488,023,915.76
  5. Step 5: Solve for x
    x = 46,488,023,915.76/321,151.03
  6. Step 6: Final answer
    x = 144,754.40

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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.