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Finding the Fourth Proportional to 65,088.36, 89,793.36 and 49,954.32

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Solution

The fourth proportional to 65,088.36, 89,793.36 and 49,954.32 is: 68,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,088.36 : 89,793.36 = 49,954.32 : x
  2. Step 2: Convert to fraction form
    65,088.36/89,793.36 = 49,954.32/x
  3. Step 3: Cross multiply
    65,088.36x = 89,793.36 × 49,954.32
  4. Step 4: Simplify right side
    65,088.36x = 4,485,566,239.32
  5. Step 5: Solve for x
    x = 4,485,566,239.32/65,088.36
  6. Step 6: Final answer
    x = 68,915.03

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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.