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Finding the Fourth Proportional to 319,627.92, 479,537.28 and 94,995.84

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Solution

The fourth proportional to 319,627.92, 479,537.28 and 94,995.84 is: 142,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,627.92 : 479,537.28 = 94,995.84 : x
  2. Step 2: Convert to fraction form
    319,627.92/479,537.28 = 94,995.84/x
  3. Step 3: Cross multiply
    319,627.92x = 479,537.28 × 94,995.84
  4. Step 4: Simplify right side
    319,627.92x = 45,554,046,724.92
  5. Step 5: Solve for x
    x = 45,554,046,724.92/319,627.92
  6. Step 6: Final answer
    x = 142,522.11

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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.