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Finding the Fourth Proportional to 112,534.50, 168,803.38 and 29,428.50

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Solution

The fourth proportional to 112,534.50, 168,803.38 and 29,428.50 is: 44,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,534.50 : 168,803.38 = 29,428.50 : x
  2. Step 2: Convert to fraction form
    112,534.50/168,803.38 = 29,428.50/x
  3. Step 3: Cross multiply
    112,534.50x = 168,803.38 × 29,428.50
  4. Step 4: Simplify right side
    112,534.50x = 4,967,630,268.33
  5. Step 5: Solve for x
    x = 4,967,630,268.33/112,534.50
  6. Step 6: Final answer
    x = 44,143.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.