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Finding the Fourth Proportional to 65,168.84, 89,932.95 and 35,360.84

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Solution

The fourth proportional to 65,168.84, 89,932.95 and 35,360.84 is: 48,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,168.84 : 89,932.95 = 35,360.84 : x
  2. Step 2: Convert to fraction form
    65,168.84/89,932.95 = 35,360.84/x
  3. Step 3: Cross multiply
    65,168.84x = 89,932.95 × 35,360.84
  4. Step 4: Simplify right side
    65,168.84x = 3,180,104,206.01
  5. Step 5: Solve for x
    x = 3,180,104,206.01/65,168.84
  6. Step 6: Final answer
    x = 48,797.93

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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.