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Finding the Fourth Proportional to 173,314, 239,173.32 and 93,826

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Solution

The fourth proportional to 173,314, 239,173.32 and 93,826 is: 129,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,314 : 239,173.32 = 93,826 : x
  2. Step 2: Convert to fraction form
    173,314/239,173.32 = 93,826/x
  3. Step 3: Cross multiply
    173,314x = 239,173.32 × 93,826
  4. Step 4: Simplify right side
    173,314x = 22,440,675,922.32
  5. Step 5: Solve for x
    x = 22,440,675,922.32/173,314
  6. Step 6: Final answer
    x = 129,479.88

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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.