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Finding the Fourth Proportional to 117,080.44, 161,570.70 and 63,365.44

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Solution

The fourth proportional to 117,080.44, 161,570.70 and 63,365.44 is: 87,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,080.44 : 161,570.70 = 63,365.44 : x
  2. Step 2: Convert to fraction form
    117,080.44/161,570.70 = 63,365.44/x
  3. Step 3: Cross multiply
    117,080.44x = 161,570.70 × 63,365.44
  4. Step 4: Simplify right side
    117,080.44x = 10,237,998,395.63
  5. Step 5: Solve for x
    x = 10,237,998,395.63/117,080.44
  6. Step 6: Final answer
    x = 87,444.14

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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.