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Finding the Fourth Proportional to 69,607.89, 104,340.02 and 27,430.92

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Solution

The fourth proportional to 69,607.89, 104,340.02 and 27,430.92 is: 41,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607.89 : 104,340.02 = 27,430.92 : x
  2. Step 2: Convert to fraction form
    69,607.89/104,340.02 = 27,430.92/x
  3. Step 3: Cross multiply
    69,607.89x = 104,340.02 × 27,430.92
  4. Step 4: Simplify right side
    69,607.89x = 2,862,142,604.26
  5. Step 5: Solve for x
    x = 2,862,142,604.26/69,607.89
  6. Step 6: Final answer
    x = 41,118.08

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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.