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Finding the Fourth Proportional to 122,327.20, 183,490.80 and 88,976.80

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Solution

The fourth proportional to 122,327.20, 183,490.80 and 88,976.80 is: 133,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.20 : 183,490.80 = 88,976.80 : x
  2. Step 2: Convert to fraction form
    122,327.20/183,490.80 = 88,976.80/x
  3. Step 3: Cross multiply
    122,327.20x = 183,490.80 × 88,976.80
  4. Step 4: Simplify right side
    122,327.20x = 16,326,424,213.44
  5. Step 5: Solve for x
    x = 16,326,424,213.44/122,327.20
  6. Step 6: Final answer
    x = 133,465.20

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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.