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Finding the Fourth Proportional to 69,232.70, 95,541.50 and 39,018.50

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Solution

The fourth proportional to 69,232.70, 95,541.50 and 39,018.50 is: 53,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,232.70 : 95,541.50 = 39,018.50 : x
  2. Step 2: Convert to fraction form
    69,232.70/95,541.50 = 39,018.50/x
  3. Step 3: Cross multiply
    69,232.70x = 95,541.50 × 39,018.50
  4. Step 4: Simplify right side
    69,232.70x = 3,727,886,017.75
  5. Step 5: Solve for x
    x = 3,727,886,017.75/69,232.70
  6. Step 6: Final answer
    x = 53,845.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.