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Finding the Fourth Proportional to 183,977.50, 253,889.20 and 104,489.50

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Solution

The fourth proportional to 183,977.50, 253,889.20 and 104,489.50 is: 144,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,977.50 : 253,889.20 = 104,489.50 : x
  2. Step 2: Convert to fraction form
    183,977.50/253,889.20 = 104,489.50/x
  3. Step 3: Cross multiply
    183,977.50x = 253,889.20 × 104,489.50
  4. Step 4: Simplify right side
    183,977.50x = 26,528,755,563.40
  5. Step 5: Solve for x
    x = 26,528,755,563.40/183,977.50
  6. Step 6: Final answer
    x = 144,195.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.