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Finding the Fourth Proportional to 230,094.40, 344,936.40 and 89,820.40

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Solution

The fourth proportional to 230,094.40, 344,936.40 and 89,820.40 is: 134,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,094.40 : 344,936.40 = 89,820.40 : x
  2. Step 2: Convert to fraction form
    230,094.40/344,936.40 = 89,820.40/x
  3. Step 3: Cross multiply
    230,094.40x = 344,936.40 × 89,820.40
  4. Step 4: Simplify right side
    230,094.40x = 30,982,325,422.56
  5. Step 5: Solve for x
    x = 30,982,325,422.56/230,094.40
  6. Step 6: Final answer
    x = 134,650.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.