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Finding the Fourth Proportional to 75,953.76, 113,837.40 and 53,773.44

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Solution

The fourth proportional to 75,953.76, 113,837.40 and 53,773.44 is: 80,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,953.76 : 113,837.40 = 53,773.44 : x
  2. Step 2: Convert to fraction form
    75,953.76/113,837.40 = 53,773.44/x
  3. Step 3: Cross multiply
    75,953.76x = 113,837.40 × 53,773.44
  4. Step 4: Simplify right side
    75,953.76x = 6,121,428,598.66
  5. Step 5: Solve for x
    x = 6,121,428,598.66/75,953.76
  6. Step 6: Final answer
    x = 80,594.15

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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.