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Finding the Fourth Proportional to 214,980.56, 322,600.44 and 74,837.60

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Solution

The fourth proportional to 214,980.56, 322,600.44 and 74,837.60 is: 112,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,980.56 : 322,600.44 = 74,837.60 : x
  2. Step 2: Convert to fraction form
    214,980.56/322,600.44 = 74,837.60/x
  3. Step 3: Cross multiply
    214,980.56x = 322,600.44 × 74,837.60
  4. Step 4: Simplify right side
    214,980.56x = 24,142,642,688.54
  5. Step 5: Solve for x
    x = 24,142,642,688.54/214,980.56
  6. Step 6: Final answer
    x = 112,301.52

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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.