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Finding the Fourth Proportional to 70,227.45, 105,291.95 and 25,848.45

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Solution

The fourth proportional to 70,227.45, 105,291.95 and 25,848.45 is: 38,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.45 : 105,291.95 = 25,848.45 : x
  2. Step 2: Convert to fraction form
    70,227.45/105,291.95 = 25,848.45/x
  3. Step 3: Cross multiply
    70,227.45x = 105,291.95 × 25,848.45
  4. Step 4: Simplify right side
    70,227.45x = 2,721,633,575.74
  5. Step 5: Solve for x
    x = 2,721,633,575.74/70,227.45
  6. Step 6: Final answer
    x = 38,754.56

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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.