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Finding the Fourth Proportional to 63,157.68, 87,073.80 and 52,361.82

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Solution

The fourth proportional to 63,157.68, 87,073.80 and 52,361.82 is: 72,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.68 : 87,073.80 = 52,361.82 : x
  2. Step 2: Convert to fraction form
    63,157.68/87,073.80 = 52,361.82/x
  3. Step 3: Cross multiply
    63,157.68x = 87,073.80 × 52,361.82
  4. Step 4: Simplify right side
    63,157.68x = 4,559,342,642.32
  5. Step 5: Solve for x
    x = 4,559,342,642.32/63,157.68
  6. Step 6: Final answer
    x = 72,189.84

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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.