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Finding the Fourth Proportional to 235,578.48, 325,092.48 and 134,970

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Solution

The fourth proportional to 235,578.48, 325,092.48 and 134,970 is: 186,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,578.48 : 325,092.48 = 134,970 : x
  2. Step 2: Convert to fraction form
    235,578.48/325,092.48 = 134,970/x
  3. Step 3: Cross multiply
    235,578.48x = 325,092.48 × 134,970
  4. Step 4: Simplify right side
    235,578.48x = 43,877,732,025.60
  5. Step 5: Solve for x
    x = 43,877,732,025.60/235,578.48
  6. Step 6: Final answer
    x = 186,255.26

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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.