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Finding the Fourth Proportional to 79,607.54, 109,854.33 and 43,796.63

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Solution

The fourth proportional to 79,607.54, 109,854.33 and 43,796.63 is: 60,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607.54 : 109,854.33 = 43,796.63 : x
  2. Step 2: Convert to fraction form
    79,607.54/109,854.33 = 43,796.63/x
  3. Step 3: Cross multiply
    79,607.54x = 109,854.33 × 43,796.63
  4. Step 4: Simplify right side
    79,607.54x = 4,811,249,555.31
  5. Step 5: Solve for x
    x = 4,811,249,555.31/79,607.54
  6. Step 6: Final answer
    x = 60,437.11

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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.