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Finding the Fourth Proportional to 222,174.66, 306,593.45 and 126,712.11

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Solution

The fourth proportional to 222,174.66, 306,593.45 and 126,712.11 is: 174,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,174.66 : 306,593.45 = 126,712.11 : x
  2. Step 2: Convert to fraction form
    222,174.66/306,593.45 = 126,712.11/x
  3. Step 3: Cross multiply
    222,174.66x = 306,593.45 × 126,712.11
  4. Step 4: Simplify right side
    222,174.66x = 38,849,104,665.77
  5. Step 5: Solve for x
    x = 38,849,104,665.77/222,174.66
  6. Step 6: Final answer
    x = 174,858.39

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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.