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Finding the Fourth Proportional to 117,234.54, 161,784.14 and 63,519.39

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Solution

The fourth proportional to 117,234.54, 161,784.14 and 63,519.39 is: 87,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.54 : 161,784.14 = 63,519.39 : x
  2. Step 2: Convert to fraction form
    117,234.54/161,784.14 = 63,519.39/x
  3. Step 3: Cross multiply
    117,234.54x = 161,784.14 × 63,519.39
  4. Step 4: Simplify right side
    117,234.54x = 10,276,429,566.88
  5. Step 5: Solve for x
    x = 10,276,429,566.88/117,234.54
  6. Step 6: Final answer
    x = 87,657.01

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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.