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Finding the Fourth Proportional to 70,361.67, 97,094.66 and 38,530.95

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Solution

The fourth proportional to 70,361.67, 97,094.66 and 38,530.95 is: 53,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,361.67 : 97,094.66 = 38,530.95 : x
  2. Step 2: Convert to fraction form
    70,361.67/97,094.66 = 38,530.95/x
  3. Step 3: Cross multiply
    70,361.67x = 97,094.66 × 38,530.95
  4. Step 4: Simplify right side
    70,361.67x = 3,741,149,297.07
  5. Step 5: Solve for x
    x = 3,741,149,297.07/70,361.67
  6. Step 6: Final answer
    x = 53,170.27

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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.