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Finding the Fourth Proportional to 303,123.22, 418,333.89 and 167,169.58

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Solution

The fourth proportional to 303,123.22, 418,333.89 and 167,169.58 is: 230,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,123.22 : 418,333.89 = 167,169.58 : x
  2. Step 2: Convert to fraction form
    303,123.22/418,333.89 = 167,169.58/x
  3. Step 3: Cross multiply
    303,123.22x = 418,333.89 × 167,169.58
  4. Step 4: Simplify right side
    303,123.22x = 69,932,700,691.07
  5. Step 5: Solve for x
    x = 69,932,700,691.07/303,123.22
  6. Step 6: Final answer
    x = 230,707.17

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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.