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Finding the Fourth Proportional to 157,241.58, 235,859.46 and 38,912.94

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Solution

The fourth proportional to 157,241.58, 235,859.46 and 38,912.94 is: 58,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,241.58 : 235,859.46 = 38,912.94 : x
  2. Step 2: Convert to fraction form
    157,241.58/235,859.46 = 38,912.94/x
  3. Step 3: Cross multiply
    157,241.58x = 235,859.46 × 38,912.94
  4. Step 4: Simplify right side
    157,241.58x = 9,177,985,015.41
  5. Step 5: Solve for x
    x = 9,177,985,015.41/157,241.58
  6. Step 6: Final answer
    x = 58,368.69

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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.