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Finding the Fourth Proportional to 104,780.92, 144,600.92 and 57,037.48

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Solution

The fourth proportional to 104,780.92, 144,600.92 and 57,037.48 is: 78,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.92 : 144,600.92 = 57,037.48 : x
  2. Step 2: Convert to fraction form
    104,780.92/144,600.92 = 57,037.48/x
  3. Step 3: Cross multiply
    104,780.92x = 144,600.92 × 57,037.48
  4. Step 4: Simplify right side
    104,780.92x = 8,247,672,082.48
  5. Step 5: Solve for x
    x = 8,247,672,082.48/104,780.92
  6. Step 6: Final answer
    x = 78,713.49

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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.