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Finding the Fourth Proportional to 270,587.12, 373,410.88 and 149,736.67

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Solution

The fourth proportional to 270,587.12, 373,410.88 and 149,736.67 is: 206,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,587.12 : 373,410.88 = 149,736.67 : x
  2. Step 2: Convert to fraction form
    270,587.12/373,410.88 = 149,736.67/x
  3. Step 3: Cross multiply
    270,587.12x = 373,410.88 × 149,736.67
  4. Step 4: Simplify right side
    270,587.12x = 55,913,300,405.10
  5. Step 5: Solve for x
    x = 55,913,300,405.10/270,587.12
  6. Step 6: Final answer
    x = 206,636.97

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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.