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Finding the Fourth Proportional to 285,445.88, 428,218.06 and 95,924.44

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Solution

The fourth proportional to 285,445.88, 428,218.06 and 95,924.44 is: 143,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,445.88 : 428,218.06 = 95,924.44 : x
  2. Step 2: Convert to fraction form
    285,445.88/428,218.06 = 95,924.44/x
  3. Step 3: Cross multiply
    285,445.88x = 428,218.06 × 95,924.44
  4. Step 4: Simplify right side
    285,445.88x = 41,076,577,603.39
  5. Step 5: Solve for x
    x = 41,076,577,603.39/285,445.88
  6. Step 6: Final answer
    x = 143,903.21

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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.