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Finding the Fourth Proportional to 101,362.59, 152,181.79 and 57,020.56

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Solution

The fourth proportional to 101,362.59, 152,181.79 and 57,020.56 is: 85,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.59 : 152,181.79 = 57,020.56 : x
  2. Step 2: Convert to fraction form
    101,362.59/152,181.79 = 57,020.56/x
  3. Step 3: Cross multiply
    101,362.59x = 152,181.79 × 57,020.56
  4. Step 4: Simplify right side
    101,362.59x = 8,677,490,364.60
  5. Step 5: Solve for x
    x = 8,677,490,364.60/101,362.59
  6. Step 6: Final answer
    x = 85,608.41

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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.