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Finding the Fourth Proportional to 234,322.49, 351,411.03 and 84,543.32

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Solution

The fourth proportional to 234,322.49, 351,411.03 and 84,543.32 is: 126,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,322.49 : 351,411.03 = 84,543.32 : x
  2. Step 2: Convert to fraction form
    234,322.49/351,411.03 = 84,543.32/x
  3. Step 3: Cross multiply
    234,322.49x = 351,411.03 × 84,543.32
  4. Step 4: Simplify right side
    234,322.49x = 29,709,455,160.82
  5. Step 5: Solve for x
    x = 29,709,455,160.82/234,322.49
  6. Step 6: Final answer
    x = 126,788.75

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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.