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Finding the Fourth Proportional to 70,377.52, 105,551.69 and 25,973.92

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Solution

The fourth proportional to 70,377.52, 105,551.69 and 25,973.92 is: 38,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.52 : 105,551.69 = 25,973.92 : x
  2. Step 2: Convert to fraction form
    70,377.52/105,551.69 = 25,973.92/x
  3. Step 3: Cross multiply
    70,377.52x = 105,551.69 × 25,973.92
  4. Step 4: Simplify right side
    70,377.52x = 2,741,591,151.92
  5. Step 5: Solve for x
    x = 2,741,591,151.92/70,377.52
  6. Step 6: Final answer
    x = 38,955.50

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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.