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Finding the Fourth Proportional to 207,556.54, 286,449.60 and 127,037.68

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Solution

The fourth proportional to 207,556.54, 286,449.60 and 127,037.68 is: 175,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,556.54 : 286,449.60 = 127,037.68 : x
  2. Step 2: Convert to fraction form
    207,556.54/286,449.60 = 127,037.68/x
  3. Step 3: Cross multiply
    207,556.54x = 286,449.60 × 127,037.68
  4. Step 4: Simplify right side
    207,556.54x = 36,389,892,620.93
  5. Step 5: Solve for x
    x = 36,389,892,620.93/207,556.54
  6. Step 6: Final answer
    x = 175,325.20

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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.