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Finding the Fourth Proportional to 217,093.41, 299,580.21 and 121,595.22

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Solution

The fourth proportional to 217,093.41, 299,580.21 and 121,595.22 is: 167,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,093.41 : 299,580.21 = 121,595.22 : x
  2. Step 2: Convert to fraction form
    217,093.41/299,580.21 = 121,595.22/x
  3. Step 3: Cross multiply
    217,093.41x = 299,580.21 × 121,595.22
  4. Step 4: Simplify right side
    217,093.41x = 36,427,521,542.60
  5. Step 5: Solve for x
    x = 36,427,521,542.60/217,093.41
  6. Step 6: Final answer
    x = 167,796.53

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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.