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Finding the Fourth Proportional to 235,122.80, 324,471.37 and 127,693.60

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Solution

The fourth proportional to 235,122.80, 324,471.37 and 127,693.60 is: 176,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,122.80 : 324,471.37 = 127,693.60 : x
  2. Step 2: Convert to fraction form
    235,122.80/324,471.37 = 127,693.60/x
  3. Step 3: Cross multiply
    235,122.80x = 324,471.37 × 127,693.60
  4. Step 4: Simplify right side
    235,122.80x = 41,432,916,890.01
  5. Step 5: Solve for x
    x = 41,432,916,890.01/235,122.80
  6. Step 6: Final answer
    x = 176,218.20

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1.5x scale

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.