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Finding the Fourth Proportional to 63,003.40, 94,286.40 and 43,320.40

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Solution

The fourth proportional to 63,003.40, 94,286.40 and 43,320.40 is: 64,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,003.40 : 94,286.40 = 43,320.40 : x
  2. Step 2: Convert to fraction form
    63,003.40/94,286.40 = 43,320.40/x
  3. Step 3: Cross multiply
    63,003.40x = 94,286.40 × 43,320.40
  4. Step 4: Simplify right side
    63,003.40x = 4,084,524,562.56
  5. Step 5: Solve for x
    x = 4,084,524,562.56/63,003.40
  6. Step 6: Final answer
    x = 64,830.22

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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.