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Finding the Fourth Proportional to 202,366.77, 279,275.49 and 111,735.60

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Solution

The fourth proportional to 202,366.77, 279,275.49 and 111,735.60 is: 154,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,366.77 : 279,275.49 = 111,735.60 : x
  2. Step 2: Convert to fraction form
    202,366.77/279,275.49 = 111,735.60/x
  3. Step 3: Cross multiply
    202,366.77x = 279,275.49 × 111,735.60
  4. Step 4: Simplify right side
    202,366.77x = 31,205,014,440.44
  5. Step 5: Solve for x
    x = 31,205,014,440.44/202,366.77
  6. Step 6: Final answer
    x = 154,200.29

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1.5x scale

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.