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Finding the Fourth Proportional to 86,322.14, 119,158 and 67,465.34

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Solution

The fourth proportional to 86,322.14, 119,158 and 67,465.34 is: 93,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.14 : 119,158 = 67,465.34 : x
  2. Step 2: Convert to fraction form
    86,322.14/119,158 = 67,465.34/x
  3. Step 3: Cross multiply
    86,322.14x = 119,158 × 67,465.34
  4. Step 4: Simplify right side
    86,322.14x = 8,039,034,983.72
  5. Step 5: Solve for x
    x = 8,039,034,983.72/86,322.14
  6. Step 6: Final answer
    x = 93,128.31

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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.