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Finding the Fourth Proportional to 214,980.69, 322,600.64 and 74,837.73

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Solution

The fourth proportional to 214,980.69, 322,600.64 and 74,837.73 is: 112,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,980.69 : 322,600.64 = 74,837.73 : x
  2. Step 2: Convert to fraction form
    214,980.69/322,600.64 = 74,837.73/x
  3. Step 3: Cross multiply
    214,980.69x = 322,600.64 × 74,837.73
  4. Step 4: Simplify right side
    214,980.69x = 24,142,699,594.15
  5. Step 5: Solve for x
    x = 24,142,699,594.15/214,980.69
  6. Step 6: Final answer
    x = 112,301.71

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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.