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Finding the Fourth Proportional to 181,394.52, 272,094.53 and 69,080.96

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Solution

The fourth proportional to 181,394.52, 272,094.53 and 69,080.96 is: 103,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,394.52 : 272,094.53 = 69,080.96 : x
  2. Step 2: Convert to fraction form
    181,394.52/272,094.53 = 69,080.96/x
  3. Step 3: Cross multiply
    181,394.52x = 272,094.53 × 69,080.96
  4. Step 4: Simplify right side
    181,394.52x = 18,796,549,637.27
  5. Step 5: Solve for x
    x = 18,796,549,637.27/181,394.52
  6. Step 6: Final answer
    x = 103,622.48

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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.