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Finding the Fourth Proportional to 213,940.40, 295,235.72 and 123,263.12

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Solution

The fourth proportional to 213,940.40, 295,235.72 and 123,263.12 is: 170,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,940.40 : 295,235.72 = 123,263.12 : x
  2. Step 2: Convert to fraction form
    213,940.40/295,235.72 = 123,263.12/x
  3. Step 3: Cross multiply
    213,940.40x = 295,235.72 × 123,263.12
  4. Step 4: Simplify right side
    213,940.40x = 36,391,675,982.65
  5. Step 5: Solve for x
    x = 36,391,675,982.65/213,940.40
  6. Step 6: Final answer
    x = 170,101.93

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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.