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Finding the Fourth Proportional to 140,107.94, 210,163.74 and 46,613.69

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Solution

The fourth proportional to 140,107.94, 210,163.74 and 46,613.69 is: 69,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,107.94 : 210,163.74 = 46,613.69 : x
  2. Step 2: Convert to fraction form
    140,107.94/210,163.74 = 46,613.69/x
  3. Step 3: Cross multiply
    140,107.94x = 210,163.74 × 46,613.69
  4. Step 4: Simplify right side
    140,107.94x = 9,796,507,425.60
  5. Step 5: Solve for x
    x = 9,796,507,425.60/140,107.94
  6. Step 6: Final answer
    x = 69,921.14

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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.