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Finding the Fourth Proportional to 101,109.92, 151,344.99 and 63,539.98

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Solution

The fourth proportional to 101,109.92, 151,344.99 and 63,539.98 is: 95,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,109.92 : 151,344.99 = 63,539.98 : x
  2. Step 2: Convert to fraction form
    101,109.92/151,344.99 = 63,539.98/x
  3. Step 3: Cross multiply
    101,109.92x = 151,344.99 × 63,539.98
  4. Step 4: Simplify right side
    101,109.92x = 9,616,457,259.34
  5. Step 5: Solve for x
    x = 9,616,457,259.34/101,109.92
  6. Step 6: Final answer
    x = 95,108.94

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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.