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Finding the Fourth Proportional to 293,187.96, 439,736.40 and 113,247.54

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Solution

The fourth proportional to 293,187.96, 439,736.40 and 113,247.54 is: 169,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,187.96 : 439,736.40 = 113,247.54 : x
  2. Step 2: Convert to fraction form
    293,187.96/439,736.40 = 113,247.54/x
  3. Step 3: Cross multiply
    293,187.96x = 439,736.40 × 113,247.54
  4. Step 4: Simplify right side
    293,187.96x = 49,799,065,548.46
  5. Step 5: Solve for x
    x = 49,799,065,548.46/293,187.96
  6. Step 6: Final answer
    x = 169,853.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.