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Finding the Fourth Proportional to 293,917.52, 440,879.88 and 83,555.12

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Solution

The fourth proportional to 293,917.52, 440,879.88 and 83,555.12 is: 125,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,917.52 : 440,879.88 = 83,555.12 : x
  2. Step 2: Convert to fraction form
    293,917.52/440,879.88 = 83,555.12/x
  3. Step 3: Cross multiply
    293,917.52x = 440,879.88 × 83,555.12
  4. Step 4: Simplify right side
    293,917.52x = 36,837,771,278.99
  5. Step 5: Solve for x
    x = 36,837,771,278.99/293,917.52
  6. Step 6: Final answer
    x = 125,333.70

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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.