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Finding the Fourth Proportional to 129,504.56, 194,256.84 and 62,887.60

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Solution

The fourth proportional to 129,504.56, 194,256.84 and 62,887.60 is: 94,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.56 : 194,256.84 = 62,887.60 : x
  2. Step 2: Convert to fraction form
    129,504.56/194,256.84 = 62,887.60/x
  3. Step 3: Cross multiply
    129,504.56x = 194,256.84 × 62,887.60
  4. Step 4: Simplify right side
    129,504.56x = 12,216,345,479.90
  5. Step 5: Solve for x
    x = 12,216,345,479.90/129,504.56
  6. Step 6: Final answer
    x = 94,331.39

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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.