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Finding the Fourth Proportional to 175,546.60, 262,931.10 and 144,442.60

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Solution

The fourth proportional to 175,546.60, 262,931.10 and 144,442.60 is: 216,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,546.60 : 262,931.10 = 144,442.60 : x
  2. Step 2: Convert to fraction form
    175,546.60/262,931.10 = 144,442.60/x
  3. Step 3: Cross multiply
    175,546.60x = 262,931.10 × 144,442.60
  4. Step 4: Simplify right side
    175,546.60x = 37,978,451,704.86
  5. Step 5: Solve for x
    x = 37,978,451,704.86/175,546.60
  6. Step 6: Final answer
    x = 216,343.99

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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.