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Finding the Fourth Proportional to 352,105.42, 528,187.67 and 112,253.39

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Solution

The fourth proportional to 352,105.42, 528,187.67 and 112,253.39 is: 168,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,105.42 : 528,187.67 = 112,253.39 : x
  2. Step 2: Convert to fraction form
    352,105.42/528,187.67 = 112,253.39/x
  3. Step 3: Cross multiply
    352,105.42x = 528,187.67 × 112,253.39
  4. Step 4: Simplify right side
    352,105.42x = 59,290,856,513.70
  5. Step 5: Solve for x
    x = 59,290,856,513.70/352,105.42
  6. Step 6: Final answer
    x = 168,389.50

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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.