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Finding the Fourth Proportional to 222,821.76, 334,240.56 and 73,065.60

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Solution

The fourth proportional to 222,821.76, 334,240.56 and 73,065.60 is: 109,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,821.76 : 334,240.56 = 73,065.60 : x
  2. Step 2: Convert to fraction form
    222,821.76/334,240.56 = 73,065.60/x
  3. Step 3: Cross multiply
    222,821.76x = 334,240.56 × 73,065.60
  4. Step 4: Simplify right side
    222,821.76x = 24,421,487,060.74
  5. Step 5: Solve for x
    x = 24,421,487,060.74/222,821.76
  6. Step 6: Final answer
    x = 109,601.00

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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.