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Finding the Fourth Proportional to 136,577.96, 204,866.96 and 43,091

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Solution

The fourth proportional to 136,577.96, 204,866.96 and 43,091 is: 64,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,577.96 : 204,866.96 = 43,091 : x
  2. Step 2: Convert to fraction form
    136,577.96/204,866.96 = 43,091/x
  3. Step 3: Cross multiply
    136,577.96x = 204,866.96 × 43,091
  4. Step 4: Simplify right side
    136,577.96x = 8,827,922,173.36
  5. Step 5: Solve for x
    x = 8,827,922,173.36/136,577.96
  6. Step 6: Final answer
    x = 64,636.51

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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.