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Finding the Fourth Proportional to 227,052.72, 340,460.82 and 84,781.01

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Solution

The fourth proportional to 227,052.72, 340,460.82 and 84,781.01 is: 127,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,052.72 : 340,460.82 = 84,781.01 : x
  2. Step 2: Convert to fraction form
    227,052.72/340,460.82 = 84,781.01/x
  3. Step 3: Cross multiply
    227,052.72x = 340,460.82 × 84,781.01
  4. Step 4: Simplify right side
    227,052.72x = 28,864,613,036.18
  5. Step 5: Solve for x
    x = 28,864,613,036.18/227,052.72
  6. Step 6: Final answer
    x = 127,127.36

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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.