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Finding the Fourth Proportional to 233,385.20, 350,077.80 and 75,629.60

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Solution

The fourth proportional to 233,385.20, 350,077.80 and 75,629.60 is: 113,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,385.20 : 350,077.80 = 75,629.60 : x
  2. Step 2: Convert to fraction form
    233,385.20/350,077.80 = 75,629.60/x
  3. Step 3: Cross multiply
    233,385.20x = 350,077.80 × 75,629.60
  4. Step 4: Simplify right side
    233,385.20x = 26,476,243,982.88
  5. Step 5: Solve for x
    x = 26,476,243,982.88/233,385.20
  6. Step 6: Final answer
    x = 113,444.40

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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.