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Finding the Fourth Proportional to 301,781.52, 452,727.27 and 99,388.64

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Solution

The fourth proportional to 301,781.52, 452,727.27 and 99,388.64 is: 149,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,781.52 : 452,727.27 = 99,388.64 : x
  2. Step 2: Convert to fraction form
    301,781.52/452,727.27 = 99,388.64/x
  3. Step 3: Cross multiply
    301,781.52x = 452,727.27 × 99,388.64
  4. Step 4: Simplify right side
    301,781.52x = 44,995,948,788.03
  5. Step 5: Solve for x
    x = 44,995,948,788.03/301,781.52
  6. Step 6: Final answer
    x = 149,101.07

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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.