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Finding the Fourth Proportional to 183,037.20, 274,555.80 and 77,859.60

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Solution

The fourth proportional to 183,037.20, 274,555.80 and 77,859.60 is: 116,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,037.20 : 274,555.80 = 77,859.60 : x
  2. Step 2: Convert to fraction form
    183,037.20/274,555.80 = 77,859.60/x
  3. Step 3: Cross multiply
    183,037.20x = 274,555.80 × 77,859.60
  4. Step 4: Simplify right side
    183,037.20x = 21,376,804,765.68
  5. Step 5: Solve for x
    x = 21,376,804,765.68/183,037.20
  6. Step 6: Final answer
    x = 116,789.40

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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.