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Finding the Fourth Proportional to 213,880.98, 295,083.45 and 123,234.60

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Solution

The fourth proportional to 213,880.98, 295,083.45 and 123,234.60 is: 170,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,880.98 : 295,083.45 = 123,234.60 : x
  2. Step 2: Convert to fraction form
    213,880.98/295,083.45 = 123,234.60/x
  3. Step 3: Cross multiply
    213,880.98x = 295,083.45 × 123,234.60
  4. Step 4: Simplify right side
    213,880.98x = 36,364,490,927.37
  5. Step 5: Solve for x
    x = 36,364,490,927.37/213,880.98
  6. Step 6: Final answer
    x = 170,022.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.