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Finding the Fourth Proportional to 63,157.52, 87,157.19 and 34,863

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Solution

The fourth proportional to 63,157.52, 87,157.19 and 34,863 is: 48,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.52 : 87,157.19 = 34,863 : x
  2. Step 2: Convert to fraction form
    63,157.52/87,157.19 = 34,863/x
  3. Step 3: Cross multiply
    63,157.52x = 87,157.19 × 34,863
  4. Step 4: Simplify right side
    63,157.52x = 3,038,561,202.13
  5. Step 5: Solve for x
    x = 3,038,561,202.13/63,157.52
  6. Step 6: Final answer
    x = 48,110.84

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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.