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Finding the Fourth Proportional to 233,781.60, 350,672.40 and 76,015.20

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Solution

The fourth proportional to 233,781.60, 350,672.40 and 76,015.20 is: 114,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,781.60 : 350,672.40 = 76,015.20 : x
  2. Step 2: Convert to fraction form
    233,781.60/350,672.40 = 76,015.20/x
  3. Step 3: Cross multiply
    233,781.60x = 350,672.40 × 76,015.20
  4. Step 4: Simplify right side
    233,781.60x = 26,656,432,620.48
  5. Step 5: Solve for x
    x = 26,656,432,620.48/233,781.60
  6. Step 6: Final answer
    x = 114,022.80

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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.