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Finding the Fourth Proportional to 319,571.52, 479,190.42 and 94,901.01

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Solution

The fourth proportional to 319,571.52, 479,190.42 and 94,901.01 is: 142,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,571.52 : 479,190.42 = 94,901.01 : x
  2. Step 2: Convert to fraction form
    319,571.52/479,190.42 = 94,901.01/x
  3. Step 3: Cross multiply
    319,571.52x = 479,190.42 × 94,901.01
  4. Step 4: Simplify right side
    319,571.52x = 45,475,654,840.32
  5. Step 5: Solve for x
    x = 45,475,654,840.32/319,571.52
  6. Step 6: Final answer
    x = 142,301.96

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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.