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Finding the Fourth Proportional to 127,723, 191,672.52 and 44,617

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Solution

The fourth proportional to 127,723, 191,672.52 and 44,617 is: 66,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723 : 191,672.52 = 44,617 : x
  2. Step 2: Convert to fraction form
    127,723/191,672.52 = 44,617/x
  3. Step 3: Cross multiply
    127,723x = 191,672.52 × 44,617
  4. Step 4: Simplify right side
    127,723x = 8,551,852,824.84
  5. Step 5: Solve for x
    x = 8,551,852,824.84/127,723
  6. Step 6: Final answer
    x = 66,956.25

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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.