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Finding the Fourth Proportional to 84,313.50, 116,301.72 and 55,622.97

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Solution

The fourth proportional to 84,313.50, 116,301.72 and 55,622.97 is: 76,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.50 : 116,301.72 = 55,622.97 : x
  2. Step 2: Convert to fraction form
    84,313.50/116,301.72 = 55,622.97/x
  3. Step 3: Cross multiply
    84,313.50x = 116,301.72 × 55,622.97
  4. Step 4: Simplify right side
    84,313.50x = 6,469,047,082.51
  5. Step 5: Solve for x
    x = 6,469,047,082.51/84,313.50
  6. Step 6: Final answer
    x = 76,726.11

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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.