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Finding the Fourth Proportional to 216,042.54, 324,114.21 and 73,888.91

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Solution

The fourth proportional to 216,042.54, 324,114.21 and 73,888.91 is: 110,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,042.54 : 324,114.21 = 73,888.91 : x
  2. Step 2: Convert to fraction form
    216,042.54/324,114.21 = 73,888.91/x
  3. Step 3: Cross multiply
    216,042.54x = 324,114.21 × 73,888.91
  4. Step 4: Simplify right side
    216,042.54x = 23,948,446,502.70
  5. Step 5: Solve for x
    x = 23,948,446,502.70/216,042.54
  6. Step 6: Final answer
    x = 110,850.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.