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Finding the Fourth Proportional to 116,591.30, 174,930.15 and 112,271.30

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Solution

The fourth proportional to 116,591.30, 174,930.15 and 112,271.30 is: 168,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,591.30 : 174,930.15 = 112,271.30 : x
  2. Step 2: Convert to fraction form
    116,591.30/174,930.15 = 112,271.30/x
  3. Step 3: Cross multiply
    116,591.30x = 174,930.15 × 112,271.30
  4. Step 4: Simplify right side
    116,591.30x = 19,639,635,349.70
  5. Step 5: Solve for x
    x = 19,639,635,349.70/116,591.30
  6. Step 6: Final answer
    x = 168,448.55

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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.