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Finding the Fourth Proportional to 234,718.48, 352,136.72 and 108,448.08

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Solution

The fourth proportional to 234,718.48, 352,136.72 and 108,448.08 is: 162,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,718.48 : 352,136.72 = 108,448.08 : x
  2. Step 2: Convert to fraction form
    234,718.48/352,136.72 = 108,448.08/x
  3. Step 3: Cross multiply
    234,718.48x = 352,136.72 × 108,448.08
  4. Step 4: Simplify right side
    234,718.48x = 38,188,551,181.50
  5. Step 5: Solve for x
    x = 38,188,551,181.50/234,718.48
  6. Step 6: Final answer
    x = 162,699.38

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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.