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Finding the Fourth Proportional to 109,674.20, 164,584.20 and 62,289.20

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Solution

The fourth proportional to 109,674.20, 164,584.20 and 62,289.20 is: 93,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,674.20 : 164,584.20 = 62,289.20 : x
  2. Step 2: Convert to fraction form
    109,674.20/164,584.20 = 62,289.20/x
  3. Step 3: Cross multiply
    109,674.20x = 164,584.20 × 62,289.20
  4. Step 4: Simplify right side
    109,674.20x = 10,251,818,150.64
  5. Step 5: Solve for x
    x = 10,251,818,150.64/109,674.20
  6. Step 6: Final answer
    x = 93,475.20

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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.