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Finding the Fourth Proportional to 154,550.60, 231,825.90 and 99,254.60

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Solution

The fourth proportional to 154,550.60, 231,825.90 and 99,254.60 is: 148,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.60 : 231,825.90 = 99,254.60 : x
  2. Step 2: Convert to fraction form
    154,550.60/231,825.90 = 99,254.60/x
  3. Step 3: Cross multiply
    154,550.60x = 231,825.90 × 99,254.60
  4. Step 4: Simplify right side
    154,550.60x = 23,009,786,974.14
  5. Step 5: Solve for x
    x = 23,009,786,974.14/154,550.60
  6. Step 6: Final answer
    x = 148,881.90

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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.