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Finding the Fourth Proportional to 70,953.48, 106,372.51 and 26,555.36

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Solution

The fourth proportional to 70,953.48, 106,372.51 and 26,555.36 is: 39,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.48 : 106,372.51 = 26,555.36 : x
  2. Step 2: Convert to fraction form
    70,953.48/106,372.51 = 26,555.36/x
  3. Step 3: Cross multiply
    70,953.48x = 106,372.51 × 26,555.36
  4. Step 4: Simplify right side
    70,953.48x = 2,824,759,698.90
  5. Step 5: Solve for x
    x = 2,824,759,698.90/70,953.48
  6. Step 6: Final answer
    x = 39,811.43

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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.