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Finding the Fourth Proportional to 148,208.58, 204,508.62 and 84,542.58

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Solution

The fourth proportional to 148,208.58, 204,508.62 and 84,542.58 is: 116,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,208.58 : 204,508.62 = 84,542.58 : x
  2. Step 2: Convert to fraction form
    148,208.58/204,508.62 = 84,542.58/x
  3. Step 3: Cross multiply
    148,208.58x = 204,508.62 × 84,542.58
  4. Step 4: Simplify right side
    148,208.58x = 17,289,686,367.04
  5. Step 5: Solve for x
    x = 17,289,686,367.04/148,208.58
  6. Step 6: Final answer
    x = 116,657.80

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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.