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Finding the Fourth Proportional to 220,370.19, 330,563.07 and 70,591.02

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Solution

The fourth proportional to 220,370.19, 330,563.07 and 70,591.02 is: 105,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370.19 : 330,563.07 = 70,591.02 : x
  2. Step 2: Convert to fraction form
    220,370.19/330,563.07 = 70,591.02/x
  3. Step 3: Cross multiply
    220,370.19x = 330,563.07 × 70,591.02
  4. Step 4: Simplify right side
    220,370.19x = 23,334,784,285.63
  5. Step 5: Solve for x
    x = 23,334,784,285.63/220,370.19
  6. Step 6: Final answer
    x = 105,889.02

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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.