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Finding the Fourth Proportional to 117,927.98, 176,915.32 and 33,688.87

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Solution

The fourth proportional to 117,927.98, 176,915.32 and 33,688.87 is: 50,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.98 : 176,915.32 = 33,688.87 : x
  2. Step 2: Convert to fraction form
    117,927.98/176,915.32 = 33,688.87/x
  3. Step 3: Cross multiply
    117,927.98x = 176,915.32 × 33,688.87
  4. Step 4: Simplify right side
    117,927.98x = 5,960,077,048.04
  5. Step 5: Solve for x
    x = 5,960,077,048.04/117,927.98
  6. Step 6: Final answer
    x = 50,539.97

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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.