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Finding the Fourth Proportional to 79,820.88, 119,550.08 and 61,907.74

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Solution

The fourth proportional to 79,820.88, 119,550.08 and 61,907.74 is: 92,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820.88 : 119,550.08 = 61,907.74 : x
  2. Step 2: Convert to fraction form
    79,820.88/119,550.08 = 61,907.74/x
  3. Step 3: Cross multiply
    79,820.88x = 119,550.08 × 61,907.74
  4. Step 4: Simplify right side
    79,820.88x = 7,401,075,269.62
  5. Step 5: Solve for x
    x = 7,401,075,269.62/79,820.88
  6. Step 6: Final answer
    x = 92,721.04

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1.5x scale

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.