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Finding the Fourth Proportional to 319,522.52, 479,201.52 and 94,829.78

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Solution

The fourth proportional to 319,522.52, 479,201.52 and 94,829.78 is: 142,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,522.52 : 479,201.52 = 94,829.78 : x
  2. Step 2: Convert to fraction form
    319,522.52/479,201.52 = 94,829.78/x
  3. Step 3: Cross multiply
    319,522.52x = 479,201.52 × 94,829.78
  4. Step 4: Simplify right side
    319,522.52x = 45,442,574,717.27
  5. Step 5: Solve for x
    x = 45,442,574,717.27/319,522.52
  6. Step 6: Final answer
    x = 142,220.26

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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.