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Finding the Fourth Proportional to 235,488.72, 324,982.98 and 134,906.16

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Solution

The fourth proportional to 235,488.72, 324,982.98 and 134,906.16 is: 186,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,488.72 : 324,982.98 = 134,906.16 : x
  2. Step 2: Convert to fraction form
    235,488.72/324,982.98 = 134,906.16/x
  3. Step 3: Cross multiply
    235,488.72x = 324,982.98 × 134,906.16
  4. Step 4: Simplify right side
    235,488.72x = 43,842,205,897.16
  5. Step 5: Solve for x
    x = 43,842,205,897.16/235,488.72
  6. Step 6: Final answer
    x = 186,175.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.