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Finding the Fourth Proportional to 293,486.70, 405,013.14 and 166,187.10

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Solution

The fourth proportional to 293,486.70, 405,013.14 and 166,187.10 is: 229,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,486.70 : 405,013.14 = 166,187.10 : x
  2. Step 2: Convert to fraction form
    293,486.70/405,013.14 = 166,187.10/x
  3. Step 3: Cross multiply
    293,486.70x = 405,013.14 × 166,187.10
  4. Step 4: Simplify right side
    293,486.70x = 67,307,959,198.49
  5. Step 5: Solve for x
    x = 67,307,959,198.49/293,486.70
  6. Step 6: Final answer
    x = 229,339.04

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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.