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Finding the Fourth Proportional to 148,230.84, 204,556.60 and 84,569.68

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Solution

The fourth proportional to 148,230.84, 204,556.60 and 84,569.68 is: 116,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,230.84 : 204,556.60 = 84,569.68 : x
  2. Step 2: Convert to fraction form
    148,230.84/204,556.60 = 84,569.68/x
  3. Step 3: Cross multiply
    148,230.84x = 204,556.60 × 84,569.68
  4. Step 4: Simplify right side
    148,230.84x = 17,299,286,203.89
  5. Step 5: Solve for x
    x = 17,299,286,203.89/148,230.84
  6. Step 6: Final answer
    x = 116,705.04

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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.