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Finding the Fourth Proportional to 116,080.80, 174,121.20 and 109,082.40

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Solution

The fourth proportional to 116,080.80, 174,121.20 and 109,082.40 is: 163,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,080.80 : 174,121.20 = 109,082.40 : x
  2. Step 2: Convert to fraction form
    116,080.80/174,121.20 = 109,082.40/x
  3. Step 3: Cross multiply
    116,080.80x = 174,121.20 × 109,082.40
  4. Step 4: Simplify right side
    116,080.80x = 18,993,558,386.88
  5. Step 5: Solve for x
    x = 18,993,558,386.88/116,080.80
  6. Step 6: Final answer
    x = 163,623.60

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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.