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Finding the Fourth Proportional to 211,483.56, 291,847.50 and 115,992.12

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Solution

The fourth proportional to 211,483.56, 291,847.50 and 115,992.12 is: 160,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,483.56 : 291,847.50 = 115,992.12 : x
  2. Step 2: Convert to fraction form
    211,483.56/291,847.50 = 115,992.12/x
  3. Step 3: Cross multiply
    211,483.56x = 291,847.50 × 115,992.12
  4. Step 4: Simplify right side
    211,483.56x = 33,852,010,241.70
  5. Step 5: Solve for x
    x = 33,852,010,241.70/211,483.56
  6. Step 6: Final answer
    x = 160,069.23

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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.