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Finding the Fourth Proportional to 259,146.60, 357,500.07 and 151,650.11

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Solution

The fourth proportional to 259,146.60, 357,500.07 and 151,650.11 is: 209,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,146.60 : 357,500.07 = 151,650.11 : x
  2. Step 2: Convert to fraction form
    259,146.60/357,500.07 = 151,650.11/x
  3. Step 3: Cross multiply
    259,146.60x = 357,500.07 × 151,650.11
  4. Step 4: Simplify right side
    259,146.60x = 54,214,923,153.01
  5. Step 5: Solve for x
    x = 54,214,923,153.01/259,146.60
  6. Step 6: Final answer
    x = 209,205.61

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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.