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Finding the Fourth Proportional to 234,453.06, 351,678.42 and 84,693.24

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Solution

The fourth proportional to 234,453.06, 351,678.42 and 84,693.24 is: 127,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,453.06 : 351,678.42 = 84,693.24 : x
  2. Step 2: Convert to fraction form
    234,453.06/351,678.42 = 84,693.24/x
  3. Step 3: Cross multiply
    234,453.06x = 351,678.42 × 84,693.24
  4. Step 4: Simplify right side
    234,453.06x = 29,784,784,827.88
  5. Step 5: Solve for x
    x = 29,784,784,827.88/234,453.06
  6. Step 6: Final answer
    x = 127,039.44

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1.5x scale

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.