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Finding the Fourth Proportional to 79,427.79, 118,960.25 and 37,903.95

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Solution

The fourth proportional to 79,427.79, 118,960.25 and 37,903.95 is: 56,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.79 : 118,960.25 = 37,903.95 : x
  2. Step 2: Convert to fraction form
    79,427.79/118,960.25 = 37,903.95/x
  3. Step 3: Cross multiply
    79,427.79x = 118,960.25 × 37,903.95
  4. Step 4: Simplify right side
    79,427.79x = 4,509,063,178.47
  5. Step 5: Solve for x
    x = 4,509,063,178.47/79,427.79
  6. Step 6: Final answer
    x = 56,769.34

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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.