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Finding the Fourth Proportional to 202,012.44, 278,796.88 and 150,936.54

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Solution

The fourth proportional to 202,012.44, 278,796.88 and 150,936.54 is: 208,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,012.44 : 278,796.88 = 150,936.54 : x
  2. Step 2: Convert to fraction form
    202,012.44/278,796.88 = 150,936.54/x
  3. Step 3: Cross multiply
    202,012.44x = 278,796.88 × 150,936.54
  4. Step 4: Simplify right side
    202,012.44x = 42,080,636,430.00
  5. Step 5: Solve for x
    x = 42,080,636,430.00/202,012.44
  6. Step 6: Final answer
    x = 208,307.15

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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.