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Finding the Fourth Proportional to 161,374.95, 222,544.56 and 103,250.06

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Solution

The fourth proportional to 161,374.95, 222,544.56 and 103,250.06 is: 142,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,374.95 : 222,544.56 = 103,250.06 : x
  2. Step 2: Convert to fraction form
    161,374.95/222,544.56 = 103,250.06/x
  3. Step 3: Cross multiply
    161,374.95x = 222,544.56 × 103,250.06
  4. Step 4: Simplify right side
    161,374.95x = 22,977,739,281.68
  5. Step 5: Solve for x
    x = 22,977,739,281.68/161,374.95
  6. Step 6: Final answer
    x = 142,387.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.