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Finding the Fourth Proportional to 89,592.51, 134,471.91 and 45,250.40

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Solution

The fourth proportional to 89,592.51, 134,471.91 and 45,250.40 is: 67,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,592.51 : 134,471.91 = 45,250.40 : x
  2. Step 2: Convert to fraction form
    89,592.51/134,471.91 = 45,250.40/x
  3. Step 3: Cross multiply
    89,592.51x = 134,471.91 × 45,250.40
  4. Step 4: Simplify right side
    89,592.51x = 6,084,907,716.26
  5. Step 5: Solve for x
    x = 6,084,907,716.26/89,592.51
  6. Step 6: Final answer
    x = 67,917.59

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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.