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Finding the Fourth Proportional to 79,776.99, 119,666.70 and 23,622.78

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Solution

The fourth proportional to 79,776.99, 119,666.70 and 23,622.78 is: 35,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.99 : 119,666.70 = 23,622.78 : x
  2. Step 2: Convert to fraction form
    79,776.99/119,666.70 = 23,622.78/x
  3. Step 3: Cross multiply
    79,776.99x = 119,666.70 × 23,622.78
  4. Step 4: Simplify right side
    79,776.99x = 2,826,860,127.43
  5. Step 5: Solve for x
    x = 2,826,860,127.43/79,776.99
  6. Step 6: Final answer
    x = 35,434.53

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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.