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Finding the Fourth Proportional to 317,162.79, 437,697.27 and 173,927.97

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Solution

The fourth proportional to 317,162.79, 437,697.27 and 173,927.97 is: 240,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,162.79 : 437,697.27 = 173,927.97 : x
  2. Step 2: Convert to fraction form
    317,162.79/437,697.27 = 173,927.97/x
  3. Step 3: Cross multiply
    317,162.79x = 437,697.27 × 173,927.97
  4. Step 4: Simplify right side
    317,162.79x = 76,127,797,645.64
  5. Step 5: Solve for x
    x = 76,127,797,645.64/317,162.79
  6. Step 6: Final answer
    x = 240,027.52

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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.