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Finding the Fourth Proportional to 61,245.80, 91,903.78 and 23,801.02

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Solution

The fourth proportional to 61,245.80, 91,903.78 and 23,801.02 is: 35,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245.80 : 91,903.78 = 23,801.02 : x
  2. Step 2: Convert to fraction form
    61,245.80/91,903.78 = 23,801.02/x
  3. Step 3: Cross multiply
    61,245.80x = 91,903.78 × 23,801.02
  4. Step 4: Simplify right side
    61,245.80x = 2,187,403,505.85
  5. Step 5: Solve for x
    x = 2,187,403,505.85/61,245.80
  6. Step 6: Final answer
    x = 35,715.16

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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.