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Finding the Fourth Proportional to 84,235.50, 116,259.84 and 50,246.10

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Solution

The fourth proportional to 84,235.50, 116,259.84 and 50,246.10 is: 69,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,235.50 : 116,259.84 = 50,246.10 : x
  2. Step 2: Convert to fraction form
    84,235.50/116,259.84 = 50,246.10/x
  3. Step 3: Cross multiply
    84,235.50x = 116,259.84 × 50,246.10
  4. Step 4: Simplify right side
    84,235.50x = 5,841,603,546.62
  5. Step 5: Solve for x
    x = 5,841,603,546.62/84,235.50
  6. Step 6: Final answer
    x = 69,348.48

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Double scale
Find fourth proportional to 84,236.50, 116,261.22 and 50,247.10
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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.