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Finding the Fourth Proportional to 250,693.65, 345,958.83 and 143,267.67

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Solution

The fourth proportional to 250,693.65, 345,958.83 and 143,267.67 is: 197,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,693.65 : 345,958.83 = 143,267.67 : x
  2. Step 2: Convert to fraction form
    250,693.65/345,958.83 = 143,267.67/x
  3. Step 3: Cross multiply
    250,693.65x = 345,958.83 × 143,267.67
  4. Step 4: Simplify right side
    250,693.65x = 49,564,715,490.03
  5. Step 5: Solve for x
    x = 49,564,715,490.03/250,693.65
  6. Step 6: Final answer
    x = 197,710.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.