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Finding the Fourth Proportional to 77,768.64, 116,769.60 and 44,526.24

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Solution

The fourth proportional to 77,768.64, 116,769.60 and 44,526.24 is: 66,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768.64 : 116,769.60 = 44,526.24 : x
  2. Step 2: Convert to fraction form
    77,768.64/116,769.60 = 44,526.24/x
  3. Step 3: Cross multiply
    77,768.64x = 116,769.60 × 44,526.24
  4. Step 4: Simplify right side
    77,768.64x = 5,199,311,234.30
  5. Step 5: Solve for x
    x = 5,199,311,234.30/77,768.64
  6. Step 6: Final answer
    x = 66,856.14

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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.