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Finding the Fourth Proportional to 140,992.56, 211,464.84 and 46,220.88

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Solution

The fourth proportional to 140,992.56, 211,464.84 and 46,220.88 is: 69,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,992.56 : 211,464.84 = 46,220.88 : x
  2. Step 2: Convert to fraction form
    140,992.56/211,464.84 = 46,220.88/x
  3. Step 3: Cross multiply
    140,992.56x = 211,464.84 × 46,220.88
  4. Step 4: Simplify right side
    140,992.56x = 9,774,090,993.86
  5. Step 5: Solve for x
    x = 9,774,090,993.86/140,992.56
  6. Step 6: Final answer
    x = 69,323.45

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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.