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Finding the Fourth Proportional to 237,772.77, 356,435.90 and 79,890.81

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Solution

The fourth proportional to 237,772.77, 356,435.90 and 79,890.81 is: 119,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,772.77 : 356,435.90 = 79,890.81 : x
  2. Step 2: Convert to fraction form
    237,772.77/356,435.90 = 79,890.81/x
  3. Step 3: Cross multiply
    237,772.77x = 356,435.90 × 79,890.81
  4. Step 4: Simplify right side
    237,772.77x = 28,475,952,364.63
  5. Step 5: Solve for x
    x = 28,475,952,364.63/237,772.77
  6. Step 6: Final answer
    x = 119,761.20

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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.