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Finding the Fourth Proportional to 272,355.54, 408,544.31 and 94,880.49

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Solution

The fourth proportional to 272,355.54, 408,544.31 and 94,880.49 is: 142,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,355.54 : 408,544.31 = 94,880.49 : x
  2. Step 2: Convert to fraction form
    272,355.54/408,544.31 = 94,880.49/x
  3. Step 3: Cross multiply
    272,355.54x = 408,544.31 × 94,880.49
  4. Step 4: Simplify right side
    272,355.54x = 38,762,884,319.51
  5. Step 5: Solve for x
    x = 38,762,884,319.51/272,355.54
  6. Step 6: Final answer
    x = 142,324.57

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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.