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Finding the Fourth Proportional to 114,662.33, 158,308.95 and 74,490.58

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Solution

The fourth proportional to 114,662.33, 158,308.95 and 74,490.58 is: 102,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,662.33 : 158,308.95 = 74,490.58 : x
  2. Step 2: Convert to fraction form
    114,662.33/158,308.95 = 74,490.58/x
  3. Step 3: Cross multiply
    114,662.33x = 158,308.95 × 74,490.58
  4. Step 4: Simplify right side
    114,662.33x = 11,792,525,504.69
  5. Step 5: Solve for x
    x = 11,792,525,504.69/114,662.33
  6. Step 6: Final answer
    x = 102,845.69

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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.