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Finding the Fourth Proportional to 223,040.70, 334,450.35 and 80,880.30

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Solution

The fourth proportional to 223,040.70, 334,450.35 and 80,880.30 is: 121,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,040.70 : 334,450.35 = 80,880.30 : x
  2. Step 2: Convert to fraction form
    223,040.70/334,450.35 = 80,880.30/x
  3. Step 3: Cross multiply
    223,040.70x = 334,450.35 × 80,880.30
  4. Step 4: Simplify right side
    223,040.70x = 27,050,444,643.11
  5. Step 5: Solve for x
    x = 27,050,444,643.11/223,040.70
  6. Step 6: Final answer
    x = 121,280.31

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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.