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Finding the Fourth Proportional to 212,940.96, 293,847.93 and 117,441.96

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Solution

The fourth proportional to 212,940.96, 293,847.93 and 117,441.96 is: 162,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,940.96 : 293,847.93 = 117,441.96 : x
  2. Step 2: Convert to fraction form
    212,940.96/293,847.93 = 117,441.96/x
  3. Step 3: Cross multiply
    212,940.96x = 293,847.93 × 117,441.96
  4. Step 4: Simplify right side
    212,940.96x = 34,510,076,841.14
  5. Step 5: Solve for x
    x = 34,510,076,841.14/212,940.96
  6. Step 6: Final answer
    x = 162,064.06

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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.