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Finding the Fourth Proportional to 151,262.56, 208,734.21 and 83,266.30

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Solution

The fourth proportional to 151,262.56, 208,734.21 and 83,266.30 is: 114,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,262.56 : 208,734.21 = 83,266.30 : x
  2. Step 2: Convert to fraction form
    151,262.56/208,734.21 = 83,266.30/x
  3. Step 3: Cross multiply
    151,262.56x = 208,734.21 × 83,266.30
  4. Step 4: Simplify right side
    151,262.56x = 17,380,525,350.12
  5. Step 5: Solve for x
    x = 17,380,525,350.12/151,262.56
  6. Step 6: Final answer
    x = 114,903.02

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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.