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Finding the Fourth Proportional to 56,181.60, 84,165.48 and 29,898.72

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Solution

The fourth proportional to 56,181.60, 84,165.48 and 29,898.72 is: 44,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.60 : 84,165.48 = 29,898.72 : x
  2. Step 2: Convert to fraction form
    56,181.60/84,165.48 = 29,898.72/x
  3. Step 3: Cross multiply
    56,181.60x = 84,165.48 × 29,898.72
  4. Step 4: Simplify right side
    56,181.60x = 2,516,440,120.19
  5. Step 5: Solve for x
    x = 2,516,440,120.19/56,181.60
  6. Step 6: Final answer
    x = 44,791.18

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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.