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Finding the Fourth Proportional to 85,462.80, 117,936.36 and 46,699.08

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Solution

The fourth proportional to 85,462.80, 117,936.36 and 46,699.08 is: 64,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,462.80 : 117,936.36 = 46,699.08 : x
  2. Step 2: Convert to fraction form
    85,462.80/117,936.36 = 46,699.08/x
  3. Step 3: Cross multiply
    85,462.80x = 117,936.36 × 46,699.08
  4. Step 4: Simplify right side
    85,462.80x = 5,507,519,510.55
  5. Step 5: Solve for x
    x = 5,507,519,510.55/85,462.80
  6. Step 6: Final answer
    x = 64,443.47

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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.