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Finding the Fourth Proportional to 133,817.63, 184,668.32 and 74,201.63

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Solution

The fourth proportional to 133,817.63, 184,668.32 and 74,201.63 is: 102,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,817.63 : 184,668.32 = 74,201.63 : x
  2. Step 2: Convert to fraction form
    133,817.63/184,668.32 = 74,201.63/x
  3. Step 3: Cross multiply
    133,817.63x = 184,668.32 × 74,201.63
  4. Step 4: Simplify right side
    133,817.63x = 13,702,689,615.52
  5. Step 5: Solve for x
    x = 13,702,689,615.52/133,817.63
  6. Step 6: Final answer
    x = 102,398.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.