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Finding the Fourth Proportional to 174,437.46, 240,813.37 and 149,214.78

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Solution

The fourth proportional to 174,437.46, 240,813.37 and 149,214.78 is: 205,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,437.46 : 240,813.37 = 149,214.78 : x
  2. Step 2: Convert to fraction form
    174,437.46/240,813.37 = 149,214.78/x
  3. Step 3: Cross multiply
    174,437.46x = 240,813.37 × 149,214.78
  4. Step 4: Simplify right side
    174,437.46x = 35,932,914,212.13
  5. Step 5: Solve for x
    x = 35,932,914,212.13/174,437.46
  6. Step 6: Final answer
    x = 205,993.11

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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.