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Finding the Fourth Proportional to 84,618.01, 116,772.83 and 46,378.78

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Solution

The fourth proportional to 84,618.01, 116,772.83 and 46,378.78 is: 64,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.01 : 116,772.83 = 46,378.78 : x
  2. Step 2: Convert to fraction form
    84,618.01/116,772.83 = 46,378.78/x
  3. Step 3: Cross multiply
    84,618.01x = 116,772.83 × 46,378.78
  4. Step 4: Simplify right side
    84,618.01x = 5,415,781,960.37
  5. Step 5: Solve for x
    x = 5,415,781,960.37/84,618.01
  6. Step 6: Final answer
    x = 64,002.71

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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.