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Finding the Fourth Proportional to 109,485.80, 164,214.52 and 34,613.50

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Solution

The fourth proportional to 109,485.80, 164,214.52 and 34,613.50 is: 51,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.80 : 164,214.52 = 34,613.50 : x
  2. Step 2: Convert to fraction form
    109,485.80/164,214.52 = 34,613.50/x
  3. Step 3: Cross multiply
    109,485.80x = 164,214.52 × 34,613.50
  4. Step 4: Simplify right side
    109,485.80x = 5,684,039,288.02
  5. Step 5: Solve for x
    x = 5,684,039,288.02/109,485.80
  6. Step 6: Final answer
    x = 51,915.77

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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.