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Finding the Fourth Proportional to 228,283.32, 342,200.34 and 133,393.08

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Solution

The fourth proportional to 228,283.32, 342,200.34 and 133,393.08 is: 199,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,283.32 : 342,200.34 = 133,393.08 : x
  2. Step 2: Convert to fraction form
    228,283.32/342,200.34 = 133,393.08/x
  3. Step 3: Cross multiply
    228,283.32x = 342,200.34 × 133,393.08
  4. Step 4: Simplify right side
    228,283.32x = 45,647,157,329.65
  5. Step 5: Solve for x
    x = 45,647,157,329.65/228,283.32
  6. Step 6: Final answer
    x = 199,958.36

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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.