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Finding the Fourth Proportional to 134,118.67, 185,083.40 and 73,690.64

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Solution

The fourth proportional to 134,118.67, 185,083.40 and 73,690.64 is: 101,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,118.67 : 185,083.40 = 73,690.64 : x
  2. Step 2: Convert to fraction form
    134,118.67/185,083.40 = 73,690.64/x
  3. Step 3: Cross multiply
    134,118.67x = 185,083.40 × 73,690.64
  4. Step 4: Simplify right side
    134,118.67x = 13,638,914,293.63
  5. Step 5: Solve for x
    x = 13,638,914,293.63/134,118.67
  6. Step 6: Final answer
    x = 101,692.89

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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.