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Finding the Fourth Proportional to 79,562.58, 109,848.19 and 49,392.23

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Solution

The fourth proportional to 79,562.58, 109,848.19 and 49,392.23 is: 68,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,562.58 : 109,848.19 = 49,392.23 : x
  2. Step 2: Convert to fraction form
    79,562.58/109,848.19 = 49,392.23/x
  3. Step 3: Cross multiply
    79,562.58x = 109,848.19 × 49,392.23
  4. Step 4: Simplify right side
    79,562.58x = 5,425,647,494.53
  5. Step 5: Solve for x
    x = 5,425,647,494.53/79,562.58
  6. Step 6: Final answer
    x = 68,193.46

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1.5x scale

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.