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Finding the Fourth Proportional to 112,035.88, 154,617 and 61,734.88

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Solution

The fourth proportional to 112,035.88, 154,617 and 61,734.88 is: 85,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035.88 : 154,617 = 61,734.88 : x
  2. Step 2: Convert to fraction form
    112,035.88/154,617 = 61,734.88/x
  3. Step 3: Cross multiply
    112,035.88x = 154,617 × 61,734.88
  4. Step 4: Simplify right side
    112,035.88x = 9,545,261,167.88
  5. Step 5: Solve for x
    x = 9,545,261,167.88/112,035.88
  6. Step 6: Final answer
    x = 85,198.26

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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.