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Finding the Fourth Proportional to 70,351.94, 97,093.82 and 40,141.64

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Solution

The fourth proportional to 70,351.94, 97,093.82 and 40,141.64 is: 55,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.94 : 97,093.82 = 40,141.64 : x
  2. Step 2: Convert to fraction form
    70,351.94/97,093.82 = 40,141.64/x
  3. Step 3: Cross multiply
    70,351.94x = 97,093.82 × 40,141.64
  4. Step 4: Simplify right side
    70,351.94x = 3,897,505,511.75
  5. Step 5: Solve for x
    x = 3,897,505,511.75/70,351.94
  6. Step 6: Final answer
    x = 55,400.11

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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.