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Finding the Fourth Proportional to 183,617.91, 253,394.60 and 101,947.50

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Solution

The fourth proportional to 183,617.91, 253,394.60 and 101,947.50 is: 140,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,617.91 : 253,394.60 = 101,947.50 : x
  2. Step 2: Convert to fraction form
    183,617.91/253,394.60 = 101,947.50/x
  3. Step 3: Cross multiply
    183,617.91x = 253,394.60 × 101,947.50
  4. Step 4: Simplify right side
    183,617.91x = 25,832,945,473.76
  5. Step 5: Solve for x
    x = 25,832,945,473.76/183,617.91
  6. Step 6: Final answer
    x = 140,688.59

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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.