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Finding the Fourth Proportional to 251,385.68, 377,143.32 and 73,898.48

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Solution

The fourth proportional to 251,385.68, 377,143.32 and 73,898.48 is: 110,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,385.68 : 377,143.32 = 73,898.48 : x
  2. Step 2: Convert to fraction form
    251,385.68/377,143.32 = 73,898.48/x
  3. Step 3: Cross multiply
    251,385.68x = 377,143.32 × 73,898.48
  4. Step 4: Simplify right side
    251,385.68x = 27,870,318,090.15
  5. Step 5: Solve for x
    x = 27,870,318,090.15/251,385.68
  6. Step 6: Final answer
    x = 110,866.77

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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.