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Finding the Fourth Proportional to 93,489.81, 140,296.14 and 34,326.06

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Solution

The fourth proportional to 93,489.81, 140,296.14 and 34,326.06 is: 51,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,489.81 : 140,296.14 = 34,326.06 : x
  2. Step 2: Convert to fraction form
    93,489.81/140,296.14 = 34,326.06/x
  3. Step 3: Cross multiply
    93,489.81x = 140,296.14 × 34,326.06
  4. Step 4: Simplify right side
    93,489.81x = 4,815,813,719.41
  5. Step 5: Solve for x
    x = 4,815,813,719.41/93,489.81
  6. Step 6: Final answer
    x = 51,511.64

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Why These Related Problems?

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