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Finding the Fourth Proportional to 301,131.30, 451,739.82 and 98,684.04

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Solution

The fourth proportional to 301,131.30, 451,739.82 and 98,684.04 is: 148,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,131.30 : 451,739.82 = 98,684.04 : x
  2. Step 2: Convert to fraction form
    301,131.30/451,739.82 = 98,684.04/x
  3. Step 3: Cross multiply
    301,131.30x = 451,739.82 × 98,684.04
  4. Step 4: Simplify right side
    301,131.30x = 44,579,510,466.47
  5. Step 5: Solve for x
    x = 44,579,510,466.47/301,131.30
  6. Step 6: Final answer
    x = 148,040.11

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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.