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Finding the Fourth Proportional to 223,388.54, 335,078.16 and 73,637.78

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Solution

The fourth proportional to 223,388.54, 335,078.16 and 73,637.78 is: 110,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,388.54 : 335,078.16 = 73,637.78 : x
  2. Step 2: Convert to fraction form
    223,388.54/335,078.16 = 73,637.78/x
  3. Step 3: Cross multiply
    223,388.54x = 335,078.16 × 73,637.78
  4. Step 4: Simplify right side
    223,388.54x = 24,674,411,828.88
  5. Step 5: Solve for x
    x = 24,674,411,828.88/223,388.54
  6. Step 6: Final answer
    x = 110,455.14

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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.