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Finding the Fourth Proportional to 84,896.96, 117,156.96 and 47,170.40

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Solution

The fourth proportional to 84,896.96, 117,156.96 and 47,170.40 is: 65,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.96 : 117,156.96 = 47,170.40 : x
  2. Step 2: Convert to fraction form
    84,896.96/117,156.96 = 47,170.40/x
  3. Step 3: Cross multiply
    84,896.96x = 117,156.96 × 47,170.40
  4. Step 4: Simplify right side
    84,896.96x = 5,526,340,665.98
  5. Step 5: Solve for x
    x = 5,526,340,665.98/84,896.96
  6. Step 6: Final answer
    x = 65,094.68

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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.