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Finding the Fourth Proportional to 222,358.54, 306,849.12 and 124,242.58

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Solution

The fourth proportional to 222,358.54, 306,849.12 and 124,242.58 is: 171,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,358.54 : 306,849.12 = 124,242.58 : x
  2. Step 2: Convert to fraction form
    222,358.54/306,849.12 = 124,242.58/x
  3. Step 3: Cross multiply
    222,358.54x = 306,849.12 × 124,242.58
  4. Step 4: Simplify right side
    222,358.54x = 38,123,726,339.53
  5. Step 5: Solve for x
    x = 38,123,726,339.53/222,358.54
  6. Step 6: Final answer
    x = 171,451.59

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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.