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Finding the Fourth Proportional to 84,183.93, 116,174.49 and 45,943.78

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Solution

The fourth proportional to 84,183.93, 116,174.49 and 45,943.78 is: 63,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.93 : 116,174.49 = 45,943.78 : x
  2. Step 2: Convert to fraction form
    84,183.93/116,174.49 = 45,943.78/x
  3. Step 3: Cross multiply
    84,183.93x = 116,174.49 × 45,943.78
  4. Step 4: Simplify right side
    84,183.93x = 5,337,495,210.17
  5. Step 5: Solve for x
    x = 5,337,495,210.17/84,183.93
  6. Step 6: Final answer
    x = 63,402.78

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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.