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Finding the Fourth Proportional to 222,580.20, 333,870.30 and 163,531.20

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Solution

The fourth proportional to 222,580.20, 333,870.30 and 163,531.20 is: 245,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,580.20 : 333,870.30 = 163,531.20 : x
  2. Step 2: Convert to fraction form
    222,580.20/333,870.30 = 163,531.20/x
  3. Step 3: Cross multiply
    222,580.20x = 333,870.30 × 163,531.20
  4. Step 4: Simplify right side
    222,580.20x = 54,598,210,803.36
  5. Step 5: Solve for x
    x = 54,598,210,803.36/222,580.20
  6. Step 6: Final answer
    x = 245,296.80

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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.