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Finding the Fourth Proportional to 65,165.02, 89,927.93 and 36,485.89

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Solution

The fourth proportional to 65,165.02, 89,927.93 and 36,485.89 is: 50,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165.02 : 89,927.93 = 36,485.89 : x
  2. Step 2: Convert to fraction form
    65,165.02/89,927.93 = 36,485.89/x
  3. Step 3: Cross multiply
    65,165.02x = 89,927.93 × 36,485.89
  4. Step 4: Simplify right side
    65,165.02x = 3,281,099,929.84
  5. Step 5: Solve for x
    x = 3,281,099,929.84/65,165.02
  6. Step 6: Final answer
    x = 50,350.64

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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.