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Finding the Fourth Proportional to 148,283.22, 204,645.48 and 84,630.54

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Solution

The fourth proportional to 148,283.22, 204,645.48 and 84,630.54 is: 116,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.22 : 204,645.48 = 84,630.54 : x
  2. Step 2: Convert to fraction form
    148,283.22/204,645.48 = 84,630.54/x
  3. Step 3: Cross multiply
    148,283.22x = 204,645.48 × 84,630.54
  4. Step 4: Simplify right side
    148,283.22x = 17,319,257,480.96
  5. Step 5: Solve for x
    x = 17,319,257,480.96/148,283.22
  6. Step 6: Final answer
    x = 116,798.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.