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Finding the Fourth Proportional to 61,199.97, 91,804.38 and 25,625.50

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Solution

The fourth proportional to 61,199.97, 91,804.38 and 25,625.50 is: 38,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,199.97 : 91,804.38 = 25,625.50 : x
  2. Step 2: Convert to fraction form
    61,199.97/91,804.38 = 25,625.50/x
  3. Step 3: Cross multiply
    61,199.97x = 91,804.38 × 25,625.50
  4. Step 4: Simplify right side
    61,199.97x = 2,352,533,139.69
  5. Step 5: Solve for x
    x = 2,352,533,139.69/61,199.97
  6. Step 6: Final answer
    x = 38,440.10

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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.