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Finding the Fourth Proportional to 98,179.71, 147,266.62 and 27,106.69

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Solution

The fourth proportional to 98,179.71, 147,266.62 and 27,106.69 is: 40,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,179.71 : 147,266.62 = 27,106.69 : x
  2. Step 2: Convert to fraction form
    98,179.71/147,266.62 = 27,106.69/x
  3. Step 3: Cross multiply
    98,179.71x = 147,266.62 × 27,106.69
  4. Step 4: Simplify right side
    98,179.71x = 3,991,909,879.35
  5. Step 5: Solve for x
    x = 3,991,909,879.35/98,179.71
  6. Step 6: Final answer
    x = 40,659.21

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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.