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Finding the Fourth Proportional to 211,683.92, 292,118.93 and 114,887.94

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Solution

The fourth proportional to 211,683.92, 292,118.93 and 114,887.94 is: 158,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,683.92 : 292,118.93 = 114,887.94 : x
  2. Step 2: Convert to fraction form
    211,683.92/292,118.93 = 114,887.94/x
  3. Step 3: Cross multiply
    211,683.92x = 292,118.93 × 114,887.94
  4. Step 4: Simplify right side
    211,683.92x = 33,560,942,102.70
  5. Step 5: Solve for x
    x = 33,560,942,102.70/211,683.92
  6. Step 6: Final answer
    x = 158,542.71

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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.