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Finding the Fourth Proportional to 222,390.50, 333,620.31 and 74,681.06

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Solution

The fourth proportional to 222,390.50, 333,620.31 and 74,681.06 is: 112,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,390.50 : 333,620.31 = 74,681.06 : x
  2. Step 2: Convert to fraction form
    222,390.50/333,620.31 = 74,681.06/x
  3. Step 3: Cross multiply
    222,390.50x = 333,620.31 × 74,681.06
  4. Step 4: Simplify right side
    222,390.50x = 24,915,118,388.33
  5. Step 5: Solve for x
    x = 24,915,118,388.33/222,390.50
  6. Step 6: Final answer
    x = 112,033.20

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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.