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Finding the Fourth Proportional to 73,564, 110,346.28 and 18,160

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Solution

The fourth proportional to 73,564, 110,346.28 and 18,160 is: 27,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,564 : 110,346.28 = 18,160 : x
  2. Step 2: Convert to fraction form
    73,564/110,346.28 = 18,160/x
  3. Step 3: Cross multiply
    73,564x = 110,346.28 × 18,160
  4. Step 4: Simplify right side
    73,564x = 2,003,888,444.80
  5. Step 5: Solve for x
    x = 2,003,888,444.80/73,564
  6. Step 6: Final answer
    x = 27,240.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.