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Finding the Fourth Proportional to 109,241.01, 150,755.45 and 61,496.10

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Solution

The fourth proportional to 109,241.01, 150,755.45 and 61,496.10 is: 84,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,241.01 : 150,755.45 = 61,496.10 : x
  2. Step 2: Convert to fraction form
    109,241.01/150,755.45 = 61,496.10/x
  3. Step 3: Cross multiply
    109,241.01x = 150,755.45 × 61,496.10
  4. Step 4: Simplify right side
    109,241.01x = 9,270,871,921.26
  5. Step 5: Solve for x
    x = 9,270,871,921.26/109,241.01
  6. Step 6: Final answer
    x = 84,866.22

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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.