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Finding the Fourth Proportional to 157,449.70, 236,150.20 and 57,586.54

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Solution

The fourth proportional to 157,449.70, 236,150.20 and 57,586.54 is: 86,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,449.70 : 236,150.20 = 57,586.54 : x
  2. Step 2: Convert to fraction form
    157,449.70/236,150.20 = 57,586.54/x
  3. Step 3: Cross multiply
    157,449.70x = 236,150.20 × 57,586.54
  4. Step 4: Simplify right side
    157,449.70x = 13,599,072,938.31
  5. Step 5: Solve for x
    x = 13,599,072,938.31/157,449.70
  6. Step 6: Final answer
    x = 86,370.90

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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.