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Finding the Fourth Proportional to 116,488.66, 174,622.26 and 74,250.17

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Solution

The fourth proportional to 116,488.66, 174,622.26 and 74,250.17 is: 111,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,488.66 : 174,622.26 = 74,250.17 : x
  2. Step 2: Convert to fraction form
    116,488.66/174,622.26 = 74,250.17/x
  3. Step 3: Cross multiply
    116,488.66x = 174,622.26 × 74,250.17
  4. Step 4: Simplify right side
    116,488.66x = 12,965,731,924.46
  5. Step 5: Solve for x
    x = 12,965,731,924.46/116,488.66
  6. Step 6: Final answer
    x = 111,304.67

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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.