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Finding the Fourth Proportional to 63,157.91, 87,158.03 and 34,863.62

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Solution

The fourth proportional to 63,157.91, 87,158.03 and 34,863.62 is: 48,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.91 : 87,158.03 = 34,863.62 : x
  2. Step 2: Convert to fraction form
    63,157.91/87,158.03 = 34,863.62/x
  3. Step 3: Cross multiply
    63,157.91x = 87,158.03 × 34,863.62
  4. Step 4: Simplify right side
    63,157.91x = 3,038,643,827.76
  5. Step 5: Solve for x
    x = 3,038,643,827.76/63,157.91
  6. Step 6: Final answer
    x = 48,111.85

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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.