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Finding the Fourth Proportional to 202,319.44, 279,200.85 and 111,675.45

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Solution

The fourth proportional to 202,319.44, 279,200.85 and 111,675.45 is: 154,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,319.44 : 279,200.85 = 111,675.45 : x
  2. Step 2: Convert to fraction form
    202,319.44/279,200.85 = 111,675.45/x
  3. Step 3: Cross multiply
    202,319.44x = 279,200.85 × 111,675.45
  4. Step 4: Simplify right side
    202,319.44x = 31,179,880,564.13
  5. Step 5: Solve for x
    x = 31,179,880,564.13/202,319.44
  6. Step 6: Final answer
    x = 154,112.13

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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.