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Finding the Fourth Proportional to 234,339.95, 351,299.43 and 84,545.03

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Solution

The fourth proportional to 234,339.95, 351,299.43 and 84,545.03 is: 126,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,339.95 : 351,299.43 = 84,545.03 : x
  2. Step 2: Convert to fraction form
    234,339.95/351,299.43 = 84,545.03/x
  3. Step 3: Cross multiply
    234,339.95x = 351,299.43 × 84,545.03
  4. Step 4: Simplify right side
    234,339.95x = 29,700,620,848.33
  5. Step 5: Solve for x
    x = 29,700,620,848.33/234,339.95
  6. Step 6: Final answer
    x = 126,741.60

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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.