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Finding the Fourth Proportional to 148,388.70, 204,847.35 and 84,714.21

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Solution

The fourth proportional to 148,388.70, 204,847.35 and 84,714.21 is: 116,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.70 : 204,847.35 = 84,714.21 : x
  2. Step 2: Convert to fraction form
    148,388.70/204,847.35 = 84,714.21/x
  3. Step 3: Cross multiply
    148,388.70x = 204,847.35 × 84,714.21
  4. Step 4: Simplify right side
    148,388.70x = 17,353,481,425.84
  5. Step 5: Solve for x
    x = 17,353,481,425.84/148,388.70
  6. Step 6: Final answer
    x = 116,946.11

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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.