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Finding the Fourth Proportional to 65,453.84, 98,186.44 and 18,068.96

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Solution

The fourth proportional to 65,453.84, 98,186.44 and 18,068.96 is: 27,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,453.84 : 98,186.44 = 18,068.96 : x
  2. Step 2: Convert to fraction form
    65,453.84/98,186.44 = 18,068.96/x
  3. Step 3: Cross multiply
    65,453.84x = 98,186.44 × 18,068.96
  4. Step 4: Simplify right side
    65,453.84x = 1,774,127,057.20
  5. Step 5: Solve for x
    x = 1,774,127,057.20/65,453.84
  6. Step 6: Final answer
    x = 27,105.01

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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.