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Finding the Fourth Proportional to 197,361.58, 295,615.90 and 103,670.50

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Solution

The fourth proportional to 197,361.58, 295,615.90 and 103,670.50 is: 155,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,361.58 : 295,615.90 = 103,670.50 : x
  2. Step 2: Convert to fraction form
    197,361.58/295,615.90 = 103,670.50/x
  3. Step 3: Cross multiply
    197,361.58x = 295,615.90 × 103,670.50
  4. Step 4: Simplify right side
    197,361.58x = 30,646,648,160.95
  5. Step 5: Solve for x
    x = 30,646,648,160.95/197,361.58
  6. Step 6: Final answer
    x = 155,281.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.