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Finding the Fourth Proportional to 113,663.64, 170,489.40 and 34,777.92

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Solution

The fourth proportional to 113,663.64, 170,489.40 and 34,777.92 is: 52,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,663.64 : 170,489.40 = 34,777.92 : x
  2. Step 2: Convert to fraction form
    113,663.64/170,489.40 = 34,777.92/x
  3. Step 3: Cross multiply
    113,663.64x = 170,489.40 × 34,777.92
  4. Step 4: Simplify right side
    113,663.64x = 5,929,266,714.05
  5. Step 5: Solve for x
    x = 5,929,266,714.05/113,663.64
  6. Step 6: Final answer
    x = 52,165.03

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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.