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Finding the Fourth Proportional to 80,313.49, 110,654.19 and 53,041.14

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Solution

The fourth proportional to 80,313.49, 110,654.19 and 53,041.14 is: 73,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313.49 : 110,654.19 = 53,041.14 : x
  2. Step 2: Convert to fraction form
    80,313.49/110,654.19 = 53,041.14/x
  3. Step 3: Cross multiply
    80,313.49x = 110,654.19 × 53,041.14
  4. Step 4: Simplify right side
    80,313.49x = 5,869,224,383.38
  5. Step 5: Solve for x
    x = 5,869,224,383.38/80,313.49
  6. Step 6: Final answer
    x = 73,078.94

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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.