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Finding the Fourth Proportional to 301,926.96, 452,809.44 and 143,840.88

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Solution

The fourth proportional to 301,926.96, 452,809.44 and 143,840.88 is: 215,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,926.96 : 452,809.44 = 143,840.88 : x
  2. Step 2: Convert to fraction form
    301,926.96/452,809.44 = 143,840.88/x
  3. Step 3: Cross multiply
    301,926.96x = 452,809.44 × 143,840.88
  4. Step 4: Simplify right side
    301,926.96x = 65,132,508,321.91
  5. Step 5: Solve for x
    x = 65,132,508,321.91/301,926.96
  6. Step 6: Final answer
    x = 215,722.73

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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.