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Finding the Fourth Proportional to 234,308.51, 351,390.12 and 84,529.34

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Solution

The fourth proportional to 234,308.51, 351,390.12 and 84,529.34 is: 126,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,308.51 : 351,390.12 = 84,529.34 : x
  2. Step 2: Convert to fraction form
    234,308.51/351,390.12 = 84,529.34/x
  3. Step 3: Cross multiply
    234,308.51x = 351,390.12 × 84,529.34
  4. Step 4: Simplify right side
    234,308.51x = 29,702,774,926.12
  5. Step 5: Solve for x
    x = 29,702,774,926.12/234,308.51
  6. Step 6: Final answer
    x = 126,767.80

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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.