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Finding the Fourth Proportional to 217,246.70, 325,870.05 and 92,830.70

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Solution

The fourth proportional to 217,246.70, 325,870.05 and 92,830.70 is: 139,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,246.70 : 325,870.05 = 92,830.70 : x
  2. Step 2: Convert to fraction form
    217,246.70/325,870.05 = 92,830.70/x
  3. Step 3: Cross multiply
    217,246.70x = 325,870.05 × 92,830.70
  4. Step 4: Simplify right side
    217,246.70x = 30,250,744,850.54
  5. Step 5: Solve for x
    x = 30,250,744,850.54/217,246.70
  6. Step 6: Final answer
    x = 139,246.05

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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.