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Finding the Fourth Proportional to 56,495.40, 84,743.10 and 50,153.10

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Solution

The fourth proportional to 56,495.40, 84,743.10 and 50,153.10 is: 75,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.40 : 84,743.10 = 50,153.10 : x
  2. Step 2: Convert to fraction form
    56,495.40/84,743.10 = 50,153.10/x
  3. Step 3: Cross multiply
    56,495.40x = 84,743.10 × 50,153.10
  4. Step 4: Simplify right side
    56,495.40x = 4,250,129,168.61
  5. Step 5: Solve for x
    x = 4,250,129,168.61/56,495.40
  6. Step 6: Final answer
    x = 75,229.65

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Similar ratio
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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.