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Finding the Fourth Proportional to 234,307.51, 351,388.62 and 84,528.34

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Solution

The fourth proportional to 234,307.51, 351,388.62 and 84,528.34 is: 126,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,307.51 : 351,388.62 = 84,528.34 : x
  2. Step 2: Convert to fraction form
    234,307.51/351,388.62 = 84,528.34/x
  3. Step 3: Cross multiply
    234,307.51x = 351,388.62 × 84,528.34
  4. Step 4: Simplify right side
    234,307.51x = 29,702,295,865.02
  5. Step 5: Solve for x
    x = 29,702,295,865.02/234,307.51
  6. Step 6: Final answer
    x = 126,766.30

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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.