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Finding the Fourth Proportional to 303,135.66, 418,321.68 and 167,182.16

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Solution

The fourth proportional to 303,135.66, 418,321.68 and 167,182.16 is: 230,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,135.66 : 418,321.68 = 167,182.16 : x
  2. Step 2: Convert to fraction form
    303,135.66/418,321.68 = 167,182.16/x
  3. Step 3: Cross multiply
    303,135.66x = 418,321.68 × 167,182.16
  4. Step 4: Simplify right side
    303,135.66x = 69,935,922,037.23
  5. Step 5: Solve for x
    x = 69,935,922,037.23/303,135.66
  6. Step 6: Final answer
    x = 230,708.33

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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.