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Finding the Fourth Proportional to 286,848.91, 395,851.89 and 159,524.50

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Solution

The fourth proportional to 286,848.91, 395,851.89 and 159,524.50 is: 220,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,848.91 : 395,851.89 = 159,524.50 : x
  2. Step 2: Convert to fraction form
    286,848.91/395,851.89 = 159,524.50/x
  3. Step 3: Cross multiply
    286,848.91x = 395,851.89 × 159,524.50
  4. Step 4: Simplify right side
    286,848.91x = 63,148,072,847.05
  5. Step 5: Solve for x
    x = 63,148,072,847.05/286,848.91
  6. Step 6: Final answer
    x = 220,144.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.