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Finding the Fourth Proportional to 230,483.92, 345,426.18 and 118,068.88

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Solution

The fourth proportional to 230,483.92, 345,426.18 and 118,068.88 is: 176,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,483.92 : 345,426.18 = 118,068.88 : x
  2. Step 2: Convert to fraction form
    230,483.92/345,426.18 = 118,068.88/x
  3. Step 3: Cross multiply
    230,483.92x = 345,426.18 × 118,068.88
  4. Step 4: Simplify right side
    230,483.92x = 40,784,082,195.28
  5. Step 5: Solve for x
    x = 40,784,082,195.28/230,483.92
  6. Step 6: Final answer
    x = 176,949.79

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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.