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Finding the Fourth Proportional to 84,615.80, 116,757.60 and 46,889.96

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Solution

The fourth proportional to 84,615.80, 116,757.60 and 46,889.96 is: 64,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,615.80 : 116,757.60 = 46,889.96 : x
  2. Step 2: Convert to fraction form
    84,615.80/116,757.60 = 46,889.96/x
  3. Step 3: Cross multiply
    84,615.80x = 116,757.60 × 46,889.96
  4. Step 4: Simplify right side
    84,615.80x = 5,474,759,193.70
  5. Step 5: Solve for x
    x = 5,474,759,193.70/84,615.80
  6. Step 6: Final answer
    x = 64,701.38

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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.