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Finding the Fourth Proportional to 79,095.76, 118,645.12 and 36,964.28

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Solution

The fourth proportional to 79,095.76, 118,645.12 and 36,964.28 is: 55,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,095.76 : 118,645.12 = 36,964.28 : x
  2. Step 2: Convert to fraction form
    79,095.76/118,645.12 = 36,964.28/x
  3. Step 3: Cross multiply
    79,095.76x = 118,645.12 × 36,964.28
  4. Step 4: Simplify right side
    79,095.76x = 4,385,631,436.31
  5. Step 5: Solve for x
    x = 4,385,631,436.31/79,095.76
  6. Step 6: Final answer
    x = 55,447.11

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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.