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Finding the Fourth Proportional to 294,808.23, 406,836.72 and 167,490.81

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Solution

The fourth proportional to 294,808.23, 406,836.72 and 167,490.81 is: 231,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,808.23 : 406,836.72 = 167,490.81 : x
  2. Step 2: Convert to fraction form
    294,808.23/406,836.72 = 167,490.81/x
  3. Step 3: Cross multiply
    294,808.23x = 406,836.72 × 167,490.81
  4. Step 4: Simplify right side
    294,808.23x = 68,141,411,770.54
  5. Step 5: Solve for x
    x = 68,141,411,770.54/294,808.23
  6. Step 6: Final answer
    x = 231,138.09

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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.