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Finding the Fourth Proportional to 117,468.90, 176,163.86 and 42,573.37

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Solution

The fourth proportional to 117,468.90, 176,163.86 and 42,573.37 is: 63,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,468.90 : 176,163.86 = 42,573.37 : x
  2. Step 2: Convert to fraction form
    117,468.90/176,163.86 = 42,573.37/x
  3. Step 3: Cross multiply
    117,468.90x = 176,163.86 × 42,573.37
  4. Step 4: Simplify right side
    117,468.90x = 7,499,889,192.41
  5. Step 5: Solve for x
    x = 7,499,889,192.41/117,468.90
  6. Step 6: Final answer
    x = 63,845.74

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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.