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Finding the Fourth Proportional to 73,854.73, 110,816.12 and 45,807.67

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Solution

The fourth proportional to 73,854.73, 110,816.12 and 45,807.67 is: 68,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,854.73 : 110,816.12 = 45,807.67 : x
  2. Step 2: Convert to fraction form
    73,854.73/110,816.12 = 45,807.67/x
  3. Step 3: Cross multiply
    73,854.73x = 110,816.12 × 45,807.67
  4. Step 4: Simplify right side
    73,854.73x = 5,076,228,026.60
  5. Step 5: Solve for x
    x = 5,076,228,026.60/73,854.73
  6. Step 6: Final answer
    x = 68,732.61

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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.