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Finding the Fourth Proportional to 252,775.70, 379,171.31 and 110,547.80

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Solution

The fourth proportional to 252,775.70, 379,171.31 and 110,547.80 is: 165,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,775.70 : 379,171.31 = 110,547.80 : x
  2. Step 2: Convert to fraction form
    252,775.70/379,171.31 = 110,547.80/x
  3. Step 3: Cross multiply
    252,775.70x = 379,171.31 × 110,547.80
  4. Step 4: Simplify right side
    252,775.70x = 41,916,551,695.02
  5. Step 5: Solve for x
    x = 41,916,551,695.02/252,775.70
  6. Step 6: Final answer
    x = 165,825.09

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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.