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Finding the Fourth Proportional to 214,594.88, 321,892.72 and 74,353.64

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Solution

The fourth proportional to 214,594.88, 321,892.72 and 74,353.64 is: 111,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,594.88 : 321,892.72 = 74,353.64 : x
  2. Step 2: Convert to fraction form
    214,594.88/321,892.72 = 74,353.64/x
  3. Step 3: Cross multiply
    214,594.88x = 321,892.72 × 74,353.64
  4. Step 4: Simplify right side
    214,594.88x = 23,933,895,421.50
  5. Step 5: Solve for x
    x = 23,933,895,421.50/214,594.88
  6. Step 6: Final answer
    x = 111,530.60

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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.