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Finding the Fourth Proportional to 55,561.92, 83,266.01 and 48,147.99

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Solution

The fourth proportional to 55,561.92, 83,266.01 and 48,147.99 is: 72,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.92 : 83,266.01 = 48,147.99 : x
  2. Step 2: Convert to fraction form
    55,561.92/83,266.01 = 48,147.99/x
  3. Step 3: Cross multiply
    55,561.92x = 83,266.01 × 48,147.99
  4. Step 4: Simplify right side
    55,561.92x = 4,009,090,644.39
  5. Step 5: Solve for x
    x = 4,009,090,644.39/55,561.92
  6. Step 6: Final answer
    x = 72,155.37

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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.