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Finding the Fourth Proportional to 222,673.50, 307,281.20 and 120,696.77

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Solution

The fourth proportional to 222,673.50, 307,281.20 and 120,696.77 is: 166,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,673.50 : 307,281.20 = 120,696.77 : x
  2. Step 2: Convert to fraction form
    222,673.50/307,281.20 = 120,696.77/x
  3. Step 3: Cross multiply
    222,673.50x = 307,281.20 × 120,696.77
  4. Step 4: Simplify right side
    222,673.50x = 37,087,848,622.69
  5. Step 5: Solve for x
    x = 37,087,848,622.69/222,673.50
  6. Step 6: Final answer
    x = 166,557.08

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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.