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Finding the Fourth Proportional to 73,903.84, 110,778.36 and 34,428.40

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Solution

The fourth proportional to 73,903.84, 110,778.36 and 34,428.40 is: 51,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903.84 : 110,778.36 = 34,428.40 : x
  2. Step 2: Convert to fraction form
    73,903.84/110,778.36 = 34,428.40/x
  3. Step 3: Cross multiply
    73,903.84x = 110,778.36 × 34,428.40
  4. Step 4: Simplify right side
    73,903.84x = 3,813,921,689.42
  5. Step 5: Solve for x
    x = 3,813,921,689.42/73,903.84
  6. Step 6: Final answer
    x = 51,606.54

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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.