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Finding the Fourth Proportional to 157,676.60, 236,538.31 and 51,024.81

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Solution

The fourth proportional to 157,676.60, 236,538.31 and 51,024.81 is: 76,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,676.60 : 236,538.31 = 51,024.81 : x
  2. Step 2: Convert to fraction form
    157,676.60/236,538.31 = 51,024.81/x
  3. Step 3: Cross multiply
    157,676.60x = 236,538.31 × 51,024.81
  4. Step 4: Simplify right side
    157,676.60x = 12,069,322,197.91
  5. Step 5: Solve for x
    x = 12,069,322,197.91/157,676.60
  6. Step 6: Final answer
    x = 76,544.79

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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.