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Finding the Fourth Proportional to 234,182.80, 351,131.94 and 91,857.64

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Solution

The fourth proportional to 234,182.80, 351,131.94 and 91,857.64 is: 137,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,182.80 : 351,131.94 = 91,857.64 : x
  2. Step 2: Convert to fraction form
    234,182.80/351,131.94 = 91,857.64/x
  3. Step 3: Cross multiply
    234,182.80x = 351,131.94 × 91,857.64
  4. Step 4: Simplify right side
    234,182.80x = 32,254,151,337.02
  5. Step 5: Solve for x
    x = 32,254,151,337.02/234,182.80
  6. Step 6: Final answer
    x = 137,730.66

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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.