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Finding the Fourth Proportional to 303,037.13, 418,167.86 and 167,070.66

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Solution

The fourth proportional to 303,037.13, 418,167.86 and 167,070.66 is: 230,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,037.13 : 418,167.86 = 167,070.66 : x
  2. Step 2: Convert to fraction form
    303,037.13/418,167.86 = 167,070.66/x
  3. Step 3: Cross multiply
    303,037.13x = 418,167.86 × 167,070.66
  4. Step 4: Simplify right side
    303,037.13x = 69,863,579,525.63
  5. Step 5: Solve for x
    x = 69,863,579,525.63/303,037.13
  6. Step 6: Final answer
    x = 230,544.62

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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.