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Finding the Fourth Proportional to 235,243.49, 352,878.39 and 75,333.51

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Solution

The fourth proportional to 235,243.49, 352,878.39 and 75,333.51 is: 113,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,243.49 : 352,878.39 = 75,333.51 : x
  2. Step 2: Convert to fraction form
    235,243.49/352,878.39 = 75,333.51/x
  3. Step 3: Cross multiply
    235,243.49x = 352,878.39 × 75,333.51
  4. Step 4: Simplify right side
    235,243.49x = 26,583,567,721.85
  5. Step 5: Solve for x
    x = 26,583,567,721.85/235,243.49
  6. Step 6: Final answer
    x = 113,004.48

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1.5x scale

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.