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Finding the Fourth Proportional to 222,714.10, 333,415.05 and 147,918.70

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Solution

The fourth proportional to 222,714.10, 333,415.05 and 147,918.70 is: 221,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,714.10 : 333,415.05 = 147,918.70 : x
  2. Step 2: Convert to fraction form
    222,714.10/333,415.05 = 147,918.70/x
  3. Step 3: Cross multiply
    222,714.10x = 333,415.05 × 147,918.70
  4. Step 4: Simplify right side
    222,714.10x = 49,318,320,756.44
  5. Step 5: Solve for x
    x = 49,318,320,756.44/222,714.10
  6. Step 6: Final answer
    x = 221,442.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.