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Finding the Fourth Proportional to 115,041, 158,756.61 and 64,741.08

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Solution

The fourth proportional to 115,041, 158,756.61 and 64,741.08 is: 89,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041 : 158,756.61 = 64,741.08 : x
  2. Step 2: Convert to fraction form
    115,041/158,756.61 = 64,741.08/x
  3. Step 3: Cross multiply
    115,041x = 158,756.61 × 64,741.08
  4. Step 4: Simplify right side
    115,041x = 10,278,074,388.54
  5. Step 5: Solve for x
    x = 10,278,074,388.54/115,041
  6. Step 6: Final answer
    x = 89,342.71

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