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Finding the Fourth Proportional to 73,905.16, 110,916.06 and 34,441.96

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Solution

The fourth proportional to 73,905.16, 110,916.06 and 34,441.96 is: 51,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,905.16 : 110,916.06 = 34,441.96 : x
  2. Step 2: Convert to fraction form
    73,905.16/110,916.06 = 34,441.96/x
  3. Step 3: Cross multiply
    73,905.16x = 110,916.06 × 34,441.96
  4. Step 4: Simplify right side
    73,905.16x = 3,820,166,501.88
  5. Step 5: Solve for x
    x = 3,820,166,501.88/73,905.16
  6. Step 6: Final answer
    x = 51,690.12

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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.