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Finding the Fourth Proportional to 270,500.64, 373,301.88 and 149,639.84

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Solution

The fourth proportional to 270,500.64, 373,301.88 and 149,639.84 is: 206,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,500.64 : 373,301.88 = 149,639.84 : x
  2. Step 2: Convert to fraction form
    270,500.64/373,301.88 = 149,639.84/x
  3. Step 3: Cross multiply
    270,500.64x = 373,301.88 × 149,639.84
  4. Step 4: Simplify right side
    270,500.64x = 55,860,833,594.90
  5. Step 5: Solve for x
    x = 55,860,833,594.90/270,500.64
  6. Step 6: Final answer
    x = 206,509.06

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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.