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Finding the Fourth Proportional to 120,849.77, 181,274.72 and 45,952.62

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Solution

The fourth proportional to 120,849.77, 181,274.72 and 45,952.62 is: 68,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.77 : 181,274.72 = 45,952.62 : x
  2. Step 2: Convert to fraction form
    120,849.77/181,274.72 = 45,952.62/x
  3. Step 3: Cross multiply
    120,849.77x = 181,274.72 × 45,952.62
  4. Step 4: Simplify right side
    120,849.77x = 8,330,048,094.00
  5. Step 5: Solve for x
    x = 8,330,048,094.00/120,849.77
  6. Step 6: Final answer
    x = 68,928.96

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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.