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Finding the Fourth Proportional to 89,548.58, 134,204.13 and 65,744.80

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Solution

The fourth proportional to 89,548.58, 134,204.13 and 65,744.80 is: 98,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,548.58 : 134,204.13 = 65,744.80 : x
  2. Step 2: Convert to fraction form
    89,548.58/134,204.13 = 65,744.80/x
  3. Step 3: Cross multiply
    89,548.58x = 134,204.13 × 65,744.80
  4. Step 4: Simplify right side
    89,548.58x = 8,823,223,350.51
  5. Step 5: Solve for x
    x = 8,823,223,350.51/89,548.58
  6. Step 6: Final answer
    x = 98,530.02

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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.