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Finding the Fourth Proportional to 117,893.04, 176,296.34 and 87,555.46

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Solution

The fourth proportional to 117,893.04, 176,296.34 and 87,555.46 is: 130,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,893.04 : 176,296.34 = 87,555.46 : x
  2. Step 2: Convert to fraction form
    117,893.04/176,296.34 = 87,555.46/x
  3. Step 3: Cross multiply
    117,893.04x = 176,296.34 × 87,555.46
  4. Step 4: Simplify right side
    117,893.04x = 15,435,706,511.64
  5. Step 5: Solve for x
    x = 15,435,706,511.64/117,893.04
  6. Step 6: Final answer
    x = 130,929.76

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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.