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Finding the Fourth Proportional to 85,007.44, 117,240.48 and 75,454.32

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Solution

The fourth proportional to 85,007.44, 117,240.48 and 75,454.32 is: 104,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.44 : 117,240.48 = 75,454.32 : x
  2. Step 2: Convert to fraction form
    85,007.44/117,240.48 = 75,454.32/x
  3. Step 3: Cross multiply
    85,007.44x = 117,240.48 × 75,454.32
  4. Step 4: Simplify right side
    85,007.44x = 8,846,300,694.87
  5. Step 5: Solve for x
    x = 8,846,300,694.87/85,007.44
  6. Step 6: Final answer
    x = 104,065.02

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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.