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Finding the Fourth Proportional to 65,180.94, 97,620.39 and 55,589.10

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Solution

The fourth proportional to 65,180.94, 97,620.39 and 55,589.10 is: 83,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.94 : 97,620.39 = 55,589.10 : x
  2. Step 2: Convert to fraction form
    65,180.94/97,620.39 = 55,589.10/x
  3. Step 3: Cross multiply
    65,180.94x = 97,620.39 × 55,589.10
  4. Step 4: Simplify right side
    65,180.94x = 5,426,629,621.75
  5. Step 5: Solve for x
    x = 5,426,629,621.75/65,180.94
  6. Step 6: Final answer
    x = 83,254.85

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1.5x scale

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.