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Finding the Fourth Proportional to 72,433.88, 108,646.05 and 25,037.94

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Solution

The fourth proportional to 72,433.88, 108,646.05 and 25,037.94 is: 37,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433.88 : 108,646.05 = 25,037.94 : x
  2. Step 2: Convert to fraction form
    72,433.88/108,646.05 = 25,037.94/x
  3. Step 3: Cross multiply
    72,433.88x = 108,646.05 × 25,037.94
  4. Step 4: Simplify right side
    72,433.88x = 2,720,273,281.14
  5. Step 5: Solve for x
    x = 2,720,273,281.14/72,433.88
  6. Step 6: Final answer
    x = 37,555.26

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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.