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Finding the Fourth Proportional to 73,503.73, 101,492.28 and 56,481.14

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Solution

The fourth proportional to 73,503.73, 101,492.28 and 56,481.14 is: 77,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.73 : 101,492.28 = 56,481.14 : x
  2. Step 2: Convert to fraction form
    73,503.73/101,492.28 = 56,481.14/x
  3. Step 3: Cross multiply
    73,503.73x = 101,492.28 × 56,481.14
  4. Step 4: Simplify right side
    73,503.73x = 5,732,399,929.33
  5. Step 5: Solve for x
    x = 5,732,399,929.33/73,503.73
  6. Step 6: Final answer
    x = 77,987.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.