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Finding the Fourth Proportional to 148,212.60, 204,514.12 and 84,546.60

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Solution

The fourth proportional to 148,212.60, 204,514.12 and 84,546.60 is: 116,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,212.60 : 204,514.12 = 84,546.60 : x
  2. Step 2: Convert to fraction form
    148,212.60/204,514.12 = 84,546.60/x
  3. Step 3: Cross multiply
    148,212.60x = 204,514.12 × 84,546.60
  4. Step 4: Simplify right side
    148,212.60x = 17,290,973,497.99
  5. Step 5: Solve for x
    x = 17,290,973,497.99/148,212.60
  6. Step 6: Final answer
    x = 116,663.32

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1.5x scale

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.