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Finding the Fourth Proportional to 247,206.87, 370,428.64 and 166,930.22

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Solution

The fourth proportional to 247,206.87, 370,428.64 and 166,930.22 is: 250,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.87 : 370,428.64 = 166,930.22 : x
  2. Step 2: Convert to fraction form
    247,206.87/370,428.64 = 166,930.22/x
  3. Step 3: Cross multiply
    247,206.87x = 370,428.64 × 166,930.22
  4. Step 4: Simplify right side
    247,206.87x = 61,835,734,369.50
  5. Step 5: Solve for x
    x = 61,835,734,369.50/247,206.87
  6. Step 6: Final answer
    x = 250,137.60

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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.