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Finding the Fourth Proportional to 134,489.70, 185,422.34 and 110,200.36

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Solution

The fourth proportional to 134,489.70, 185,422.34 and 110,200.36 is: 151,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489.70 : 185,422.34 = 110,200.36 : x
  2. Step 2: Convert to fraction form
    134,489.70/185,422.34 = 110,200.36/x
  3. Step 3: Cross multiply
    134,489.70x = 185,422.34 × 110,200.36
  4. Step 4: Simplify right side
    134,489.70x = 20,433,608,620.04
  5. Step 5: Solve for x
    x = 20,433,608,620.04/134,489.70
  6. Step 6: Final answer
    x = 151,934.38

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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.