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Finding the Fourth Proportional to 214,595.88, 321,894.22 and 74,354.64

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Solution

The fourth proportional to 214,595.88, 321,894.22 and 74,354.64 is: 111,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,595.88 : 321,894.22 = 74,354.64 : x
  2. Step 2: Convert to fraction form
    214,595.88/321,894.22 = 74,354.64/x
  3. Step 3: Cross multiply
    214,595.88x = 321,894.22 × 74,354.64
  4. Step 4: Simplify right side
    214,595.88x = 23,934,328,846.18
  5. Step 5: Solve for x
    x = 23,934,328,846.18/214,595.88
  6. Step 6: Final answer
    x = 111,532.10

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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.