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Finding the Fourth Proportional to 222,701.63, 333,498.60 and 155,828.43

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Solution

The fourth proportional to 222,701.63, 333,498.60 and 155,828.43 is: 233,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,701.63 : 333,498.60 = 155,828.43 : x
  2. Step 2: Convert to fraction form
    222,701.63/333,498.60 = 155,828.43/x
  3. Step 3: Cross multiply
    222,701.63x = 333,498.60 × 155,828.43
  4. Step 4: Simplify right side
    222,701.63x = 51,968,563,245.20
  5. Step 5: Solve for x
    x = 51,968,563,245.20/222,701.63
  6. Step 6: Final answer
    x = 233,355.11

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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.