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Finding the Fourth Proportional to 259,577.52, 358,216.96 and 140,345.52

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Solution

The fourth proportional to 259,577.52, 358,216.96 and 140,345.52 is: 193,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,577.52 : 358,216.96 = 140,345.52 : x
  2. Step 2: Convert to fraction form
    259,577.52/358,216.96 = 140,345.52/x
  3. Step 3: Cross multiply
    259,577.52x = 358,216.96 × 140,345.52
  4. Step 4: Simplify right side
    259,577.52x = 50,274,145,524.02
  5. Step 5: Solve for x
    x = 50,274,145,524.02/259,577.52
  6. Step 6: Final answer
    x = 193,676.81

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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.