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Finding the Fourth Proportional to 84,571.50, 116,708.67 and 51,037.50

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Solution

The fourth proportional to 84,571.50, 116,708.67 and 51,037.50 is: 70,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,571.50 : 116,708.67 = 51,037.50 : x
  2. Step 2: Convert to fraction form
    84,571.50/116,708.67 = 51,037.50/x
  3. Step 3: Cross multiply
    84,571.50x = 116,708.67 × 51,037.50
  4. Step 4: Simplify right side
    84,571.50x = 5,956,518,745.13
  5. Step 5: Solve for x
    x = 5,956,518,745.13/84,571.50
  6. Step 6: Final answer
    x = 70,431.75

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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.