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Finding the Fourth Proportional to 89,064.40, 133,423.80 and 49,550.80

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Solution

The fourth proportional to 89,064.40, 133,423.80 and 49,550.80 is: 74,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.40 : 133,423.80 = 49,550.80 : x
  2. Step 2: Convert to fraction form
    89,064.40/133,423.80 = 49,550.80/x
  3. Step 3: Cross multiply
    89,064.40x = 133,423.80 × 49,550.80
  4. Step 4: Simplify right side
    89,064.40x = 6,611,256,029.04
  5. Step 5: Solve for x
    x = 6,611,256,029.04/89,064.40
  6. Step 6: Final answer
    x = 74,230.06

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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.