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Finding the Fourth Proportional to 233,625.60, 350,438.40 and 75,859.20

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Solution

The fourth proportional to 233,625.60, 350,438.40 and 75,859.20 is: 113,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,625.60 : 350,438.40 = 75,859.20 : x
  2. Step 2: Convert to fraction form
    233,625.60/350,438.40 = 75,859.20/x
  3. Step 3: Cross multiply
    233,625.60x = 350,438.40 × 75,859.20
  4. Step 4: Simplify right side
    233,625.60x = 26,583,976,673.28
  5. Step 5: Solve for x
    x = 26,583,976,673.28/233,625.60
  6. Step 6: Final answer
    x = 113,788.80

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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.