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Finding the Fourth Proportional to 234,502.94, 352,225.11 and 139,917.69

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Solution

The fourth proportional to 234,502.94, 352,225.11 and 139,917.69 is: 210,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,502.94 : 352,225.11 = 139,917.69 : x
  2. Step 2: Convert to fraction form
    234,502.94/352,225.11 = 139,917.69/x
  3. Step 3: Cross multiply
    234,502.94x = 352,225.11 × 139,917.69
  4. Step 4: Simplify right side
    234,502.94x = 49,282,523,751.20
  5. Step 5: Solve for x
    x = 49,282,523,751.20/234,502.94
  6. Step 6: Final answer
    x = 210,157.39

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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.