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Finding the Fourth Proportional to 234,322.20, 351,410.59 and 84,543.07

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Solution

The fourth proportional to 234,322.20, 351,410.59 and 84,543.07 is: 126,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,322.20 : 351,410.59 = 84,543.07 : x
  2. Step 2: Convert to fraction form
    234,322.20/351,410.59 = 84,543.07/x
  3. Step 3: Cross multiply
    234,322.20x = 351,410.59 × 84,543.07
  4. Step 4: Simplify right side
    234,322.20x = 29,709,330,109.11
  5. Step 5: Solve for x
    x = 29,709,330,109.11/234,322.20
  6. Step 6: Final answer
    x = 126,788.37

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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.