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Finding the Fourth Proportional to 181,797.42, 272,714.75 and 69,572.03

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Solution

The fourth proportional to 181,797.42, 272,714.75 and 69,572.03 is: 104,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,797.42 : 272,714.75 = 69,572.03 : x
  2. Step 2: Convert to fraction form
    181,797.42/272,714.75 = 69,572.03/x
  3. Step 3: Cross multiply
    181,797.42x = 272,714.75 × 69,572.03
  4. Step 4: Simplify right side
    181,797.42x = 18,973,317,578.80
  5. Step 5: Solve for x
    x = 18,973,317,578.80/181,797.42
  6. Step 6: Final answer
    x = 104,365.16

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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.