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Finding the Fourth Proportional to 214,220.01, 321,107.13 and 71,959.71

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Solution

The fourth proportional to 214,220.01, 321,107.13 and 71,959.71 is: 107,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,220.01 : 321,107.13 = 71,959.71 : x
  2. Step 2: Convert to fraction form
    214,220.01/321,107.13 = 71,959.71/x
  3. Step 3: Cross multiply
    214,220.01x = 321,107.13 × 71,959.71
  4. Step 4: Simplify right side
    214,220.01x = 23,106,775,953.73
  5. Step 5: Solve for x
    x = 23,106,775,953.73/214,220.01
  6. Step 6: Final answer
    x = 107,864.69

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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.