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Finding the Fourth Proportional to 79,795.22, 119,692.11 and 30,547.22

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Solution

The fourth proportional to 79,795.22, 119,692.11 and 30,547.22 is: 45,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.22 : 119,692.11 = 30,547.22 : x
  2. Step 2: Convert to fraction form
    79,795.22/119,692.11 = 30,547.22/x
  3. Step 3: Cross multiply
    79,795.22x = 119,692.11 × 30,547.22
  4. Step 4: Simplify right side
    79,795.22x = 3,656,261,216.43
  5. Step 5: Solve for x
    x = 3,656,261,216.43/79,795.22
  6. Step 6: Final answer
    x = 45,820.55

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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.