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Finding the Fourth Proportional to 211,751.46, 317,559.76 and 69,563.73

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Solution

The fourth proportional to 211,751.46, 317,559.76 and 69,563.73 is: 104,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,751.46 : 317,559.76 = 69,563.73 : x
  2. Step 2: Convert to fraction form
    211,751.46/317,559.76 = 69,563.73/x
  3. Step 3: Cross multiply
    211,751.46x = 317,559.76 × 69,563.73
  4. Step 4: Simplify right side
    211,751.46x = 22,090,641,403.50
  5. Step 5: Solve for x
    x = 22,090,641,403.50/211,751.46
  6. Step 6: Final answer
    x = 104,323.44

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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.