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Finding the Fourth Proportional to 216,007.70, 323,849.55 and 110,902.10

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Solution

The fourth proportional to 216,007.70, 323,849.55 and 110,902.10 is: 166,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,007.70 : 323,849.55 = 110,902.10 : x
  2. Step 2: Convert to fraction form
    216,007.70/323,849.55 = 110,902.10/x
  3. Step 3: Cross multiply
    216,007.70x = 323,849.55 × 110,902.10
  4. Step 4: Simplify right side
    216,007.70x = 35,915,595,179.06
  5. Step 5: Solve for x
    x = 35,915,595,179.06/216,007.70
  6. Step 6: Final answer
    x = 166,269.98

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1.5x scale

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.