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Finding the Fourth Proportional to 84,357.12, 116,408.28 and 46,629.12

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Solution

The fourth proportional to 84,357.12, 116,408.28 and 46,629.12 is: 64,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,357.12 : 116,408.28 = 46,629.12 : x
  2. Step 2: Convert to fraction form
    84,357.12/116,408.28 = 46,629.12/x
  3. Step 3: Cross multiply
    84,357.12x = 116,408.28 × 46,629.12
  4. Step 4: Simplify right side
    84,357.12x = 5,428,015,657.11
  5. Step 5: Solve for x
    x = 5,428,015,657.11/84,357.12
  6. Step 6: Final answer
    x = 64,345.67

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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.