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Finding the Fourth Proportional to 72,548.24, 108,845.88 and 35,586.32

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Solution

The fourth proportional to 72,548.24, 108,845.88 and 35,586.32 is: 53,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,548.24 : 108,845.88 = 35,586.32 : x
  2. Step 2: Convert to fraction form
    72,548.24/108,845.88 = 35,586.32/x
  3. Step 3: Cross multiply
    72,548.24x = 108,845.88 × 35,586.32
  4. Step 4: Simplify right side
    72,548.24x = 3,873,424,316.36
  5. Step 5: Solve for x
    x = 3,873,424,316.36/72,548.24
  6. Step 6: Final answer
    x = 53,391.02

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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.