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Finding the Fourth Proportional to 235,036, 352,572.48 and 66,553.60

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Solution

The fourth proportional to 235,036, 352,572.48 and 66,553.60 is: 99,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,036 : 352,572.48 = 66,553.60 : x
  2. Step 2: Convert to fraction form
    235,036/352,572.48 = 66,553.60/x
  3. Step 3: Cross multiply
    235,036x = 352,572.48 × 66,553.60
  4. Step 4: Simplify right side
    235,036x = 23,464,967,804.93
  5. Step 5: Solve for x
    x = 23,464,967,804.93/235,036
  6. Step 6: Final answer
    x = 99,835.63

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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.