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Finding the Fourth Proportional to 48,674.99, 73,116.18 and 45,830.94

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Solution

The fourth proportional to 48,674.99, 73,116.18 and 45,830.94 is: 68,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,674.99 : 73,116.18 = 45,830.94 : x
  2. Step 2: Convert to fraction form
    48,674.99/73,116.18 = 45,830.94/x
  3. Step 3: Cross multiply
    48,674.99x = 73,116.18 × 45,830.94
  4. Step 4: Simplify right side
    48,674.99x = 3,350,983,258.61
  5. Step 5: Solve for x
    x = 3,350,983,258.61/48,674.99
  6. Step 6: Final answer
    x = 68,844.05

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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.