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Finding the Fourth Proportional to 69,903.64, 104,856.68 and 23,157.74

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Solution

The fourth proportional to 69,903.64, 104,856.68 and 23,157.74 is: 34,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903.64 : 104,856.68 = 23,157.74 : x
  2. Step 2: Convert to fraction form
    69,903.64/104,856.68 = 23,157.74/x
  3. Step 3: Cross multiply
    69,903.64x = 104,856.68 × 23,157.74
  4. Step 4: Simplify right side
    69,903.64x = 2,428,243,732.70
  5. Step 5: Solve for x
    x = 2,428,243,732.70/69,903.64
  6. Step 6: Final answer
    x = 34,737.01

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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.