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Finding the Fourth Proportional to 319,783.82, 479,592.14 and 95,083.74

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Solution

The fourth proportional to 319,783.82, 479,592.14 and 95,083.74 is: 142,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783.82 : 479,592.14 = 95,083.74 : x
  2. Step 2: Convert to fraction form
    319,783.82/479,592.14 = 95,083.74/x
  3. Step 3: Cross multiply
    319,783.82x = 479,592.14 × 95,083.74
  4. Step 4: Simplify right side
    319,783.82x = 45,601,414,345.80
  5. Step 5: Solve for x
    x = 45,601,414,345.80/319,783.82
  6. Step 6: Final answer
    x = 142,600.76

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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.