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Finding the Fourth Proportional to 57,361.68, 79,160.04 and 32,210.64

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Solution

The fourth proportional to 57,361.68, 79,160.04 and 32,210.64 is: 44,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.68 : 79,160.04 = 32,210.64 : x
  2. Step 2: Convert to fraction form
    57,361.68/79,160.04 = 32,210.64/x
  3. Step 3: Cross multiply
    57,361.68x = 79,160.04 × 32,210.64
  4. Step 4: Simplify right side
    57,361.68x = 2,549,795,550.83
  5. Step 5: Solve for x
    x = 2,549,795,550.83/57,361.68
  6. Step 6: Final answer
    x = 44,451.20

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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.