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Finding the Fourth Proportional to 214,074.60, 321,036.30 and 73,800.60

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Solution

The fourth proportional to 214,074.60, 321,036.30 and 73,800.60 is: 110,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,074.60 : 321,036.30 = 73,800.60 : x
  2. Step 2: Convert to fraction form
    214,074.60/321,036.30 = 73,800.60/x
  3. Step 3: Cross multiply
    214,074.60x = 321,036.30 × 73,800.60
  4. Step 4: Simplify right side
    214,074.60x = 23,692,671,561.78
  5. Step 5: Solve for x
    x = 23,692,671,561.78/214,074.60
  6. Step 6: Final answer
    x = 110,674.84

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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.