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Finding the Fourth Proportional to 84,607.70, 116,758.59 and 50,617.63

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Solution

The fourth proportional to 84,607.70, 116,758.59 and 50,617.63 is: 69,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.70 : 116,758.59 = 50,617.63 : x
  2. Step 2: Convert to fraction form
    84,607.70/116,758.59 = 50,617.63/x
  3. Step 3: Cross multiply
    84,607.70x = 116,758.59 × 50,617.63
  4. Step 4: Simplify right side
    84,607.70x = 5,910,042,524.15
  5. Step 5: Solve for x
    x = 5,910,042,524.15/84,607.70
  6. Step 6: Final answer
    x = 69,852.30

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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.