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Finding the Fourth Proportional to 104,260.92, 143,880.24 and 56,514.24

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Solution

The fourth proportional to 104,260.92, 143,880.24 and 56,514.24 is: 77,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.92 : 143,880.24 = 56,514.24 : x
  2. Step 2: Convert to fraction form
    104,260.92/143,880.24 = 56,514.24/x
  3. Step 3: Cross multiply
    104,260.92x = 143,880.24 × 56,514.24
  4. Step 4: Simplify right side
    104,260.92x = 8,131,282,414.62
  5. Step 5: Solve for x
    x = 8,131,282,414.62/104,260.92
  6. Step 6: Final answer
    x = 77,989.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.