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Finding the Fourth Proportional to 117,741.36, 162,483.84 and 64,026.96

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Solution

The fourth proportional to 117,741.36, 162,483.84 and 64,026.96 is: 88,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.36 : 162,483.84 = 64,026.96 : x
  2. Step 2: Convert to fraction form
    117,741.36/162,483.84 = 64,026.96/x
  3. Step 3: Cross multiply
    117,741.36x = 162,483.84 × 64,026.96
  4. Step 4: Simplify right side
    117,741.36x = 10,403,346,324.33
  5. Step 5: Solve for x
    x = 10,403,346,324.33/117,741.36
  6. Step 6: Final answer
    x = 88,357.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.