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Finding the Fourth Proportional to 169,344.51, 254,035.22 and 74,533.96

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Solution

The fourth proportional to 169,344.51, 254,035.22 and 74,533.96 is: 111,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,344.51 : 254,035.22 = 74,533.96 : x
  2. Step 2: Convert to fraction form
    169,344.51/254,035.22 = 74,533.96/x
  3. Step 3: Cross multiply
    169,344.51x = 254,035.22 × 74,533.96
  4. Step 4: Simplify right side
    169,344.51x = 18,934,250,926.07
  5. Step 5: Solve for x
    x = 18,934,250,926.07/169,344.51
  6. Step 6: Final answer
    x = 111,809.06

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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.