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Finding the Fourth Proportional to 72,048.76, 108,060.54 and 32,596.60

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Solution

The fourth proportional to 72,048.76, 108,060.54 and 32,596.60 is: 48,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048.76 : 108,060.54 = 32,596.60 : x
  2. Step 2: Convert to fraction form
    72,048.76/108,060.54 = 32,596.60/x
  3. Step 3: Cross multiply
    72,048.76x = 108,060.54 × 32,596.60
  4. Step 4: Simplify right side
    72,048.76x = 3,522,406,198.16
  5. Step 5: Solve for x
    x = 3,522,406,198.16/72,048.76
  6. Step 6: Final answer
    x = 48,889.20

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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.