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Finding the Fourth Proportional to 222,506.70, 333,612.63 and 122,714.70

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Solution

The fourth proportional to 222,506.70, 333,612.63 and 122,714.70 is: 183,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.70 : 333,612.63 = 122,714.70 : x
  2. Step 2: Convert to fraction form
    222,506.70/333,612.63 = 122,714.70/x
  3. Step 3: Cross multiply
    222,506.70x = 333,612.63 × 122,714.70
  4. Step 4: Simplify right side
    222,506.70x = 40,939,173,806.66
  5. Step 5: Solve for x
    x = 40,939,173,806.66/222,506.70
  6. Step 6: Final answer
    x = 183,990.75

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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.