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Finding the Fourth Proportional to 73,602.48, 109,837.68 and 73,181.48

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Solution

The fourth proportional to 73,602.48, 109,837.68 and 73,181.48 is: 109,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602.48 : 109,837.68 = 73,181.48 : x
  2. Step 2: Convert to fraction form
    73,602.48/109,837.68 = 73,181.48/x
  3. Step 3: Cross multiply
    73,602.48x = 109,837.68 × 73,181.48
  4. Step 4: Simplify right side
    73,602.48x = 8,038,083,982.17
  5. Step 5: Solve for x
    x = 8,038,083,982.17/73,602.48
  6. Step 6: Final answer
    x = 109,209.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.