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Finding the Fourth Proportional to 301,091.52, 451,637.46 and 76,468.80

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Solution

The fourth proportional to 301,091.52, 451,637.46 and 76,468.80 is: 114,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,091.52 : 451,637.46 = 76,468.80 : x
  2. Step 2: Convert to fraction form
    301,091.52/451,637.46 = 76,468.80/x
  3. Step 3: Cross multiply
    301,091.52x = 451,637.46 × 76,468.80
  4. Step 4: Simplify right side
    301,091.52x = 34,536,174,601.25
  5. Step 5: Solve for x
    x = 34,536,174,601.25/301,091.52
  6. Step 6: Final answer
    x = 114,703.25

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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.