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Finding the Fourth Proportional to 117,869.55, 176,820.83 and 37,880.64

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Solution

The fourth proportional to 117,869.55, 176,820.83 and 37,880.64 is: 56,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.55 : 176,820.83 = 37,880.64 : x
  2. Step 2: Convert to fraction form
    117,869.55/176,820.83 = 37,880.64/x
  3. Step 3: Cross multiply
    117,869.55x = 176,820.83 × 37,880.64
  4. Step 4: Simplify right side
    117,869.55x = 6,698,086,016.33
  5. Step 5: Solve for x
    x = 6,698,086,016.33/117,869.55
  6. Step 6: Final answer
    x = 56,826.26

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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.