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Finding the Fourth Proportional to 79,663.12, 119,500.14 and 27,065.76

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Solution

The fourth proportional to 79,663.12, 119,500.14 and 27,065.76 is: 40,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.12 : 119,500.14 = 27,065.76 : x
  2. Step 2: Convert to fraction form
    79,663.12/119,500.14 = 27,065.76/x
  3. Step 3: Cross multiply
    79,663.12x = 119,500.14 × 27,065.76
  4. Step 4: Simplify right side
    79,663.12x = 3,234,362,109.21
  5. Step 5: Solve for x
    x = 3,234,362,109.21/79,663.12
  6. Step 6: Final answer
    x = 40,600.50

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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.