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Finding the Fourth Proportional to 316,937.70, 437,371.51 and 173,697.41

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Solution

The fourth proportional to 316,937.70, 437,371.51 and 173,697.41 is: 239,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,937.70 : 437,371.51 = 173,697.41 : x
  2. Step 2: Convert to fraction form
    316,937.70/437,371.51 = 173,697.41/x
  3. Step 3: Cross multiply
    316,937.70x = 437,371.51 × 173,697.41
  4. Step 4: Simplify right side
    316,937.70x = 75,970,298,494.79
  5. Step 5: Solve for x
    x = 75,970,298,494.79/316,937.70
  6. Step 6: Final answer
    x = 239,701.05

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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.