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Finding the Fourth Proportional to 222,966.83, 307,692.65 and 120,989.70

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Solution

The fourth proportional to 222,966.83, 307,692.65 and 120,989.70 is: 166,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,966.83 : 307,692.65 = 120,989.70 : x
  2. Step 2: Convert to fraction form
    222,966.83/307,692.65 = 120,989.70/x
  3. Step 3: Cross multiply
    222,966.83x = 307,692.65 × 120,989.70
  4. Step 4: Simplify right side
    222,966.83x = 37,227,641,718.18
  5. Step 5: Solve for x
    x = 37,227,641,718.18/222,966.83
  6. Step 6: Final answer
    x = 166,964.93

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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.