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Finding the Fourth Proportional to 213,911.96, 295,202.01 and 117,114.21

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Solution

The fourth proportional to 213,911.96, 295,202.01 and 117,114.21 is: 161,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,911.96 : 295,202.01 = 117,114.21 : x
  2. Step 2: Convert to fraction form
    213,911.96/295,202.01 = 117,114.21/x
  3. Step 3: Cross multiply
    213,911.96x = 295,202.01 × 117,114.21
  4. Step 4: Simplify right side
    213,911.96x = 34,572,350,191.56
  5. Step 5: Solve for x
    x = 34,572,350,191.56/213,911.96
  6. Step 6: Final answer
    x = 161,619.53

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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.