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Finding the Fourth Proportional to 165,597.21, 248,360.58 and 47,236.77

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Solution

The fourth proportional to 165,597.21, 248,360.58 and 47,236.77 is: 70,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,597.21 : 248,360.58 = 47,236.77 : x
  2. Step 2: Convert to fraction form
    165,597.21/248,360.58 = 47,236.77/x
  3. Step 3: Cross multiply
    165,597.21x = 248,360.58 × 47,236.77
  4. Step 4: Simplify right side
    165,597.21x = 11,731,751,594.53
  5. Step 5: Solve for x
    x = 11,731,751,594.53/165,597.21
  6. Step 6: Final answer
    x = 70,845.10

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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.