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Finding the Fourth Proportional to 63,181.60, 94,707.60 and 36,872.80

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Solution

The fourth proportional to 63,181.60, 94,707.60 and 36,872.80 is: 55,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.60 : 94,707.60 = 36,872.80 : x
  2. Step 2: Convert to fraction form
    63,181.60/94,707.60 = 36,872.80/x
  3. Step 3: Cross multiply
    63,181.60x = 94,707.60 × 36,872.80
  4. Step 4: Simplify right side
    63,181.60x = 3,492,134,393.28
  5. Step 5: Solve for x
    x = 3,492,134,393.28/63,181.60
  6. Step 6: Final answer
    x = 55,271.38

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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.