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Finding the Fourth Proportional to 155,788.80, 233,596.80 and 67,027.20

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Solution

The fourth proportional to 155,788.80, 233,596.80 and 67,027.20 is: 100,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,788.80 : 233,596.80 = 67,027.20 : x
  2. Step 2: Convert to fraction form
    155,788.80/233,596.80 = 67,027.20/x
  3. Step 3: Cross multiply
    155,788.80x = 233,596.80 × 67,027.20
  4. Step 4: Simplify right side
    155,788.80x = 15,657,339,432.96
  5. Step 5: Solve for x
    x = 15,657,339,432.96/155,788.80
  6. Step 6: Final answer
    x = 100,503.63

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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.