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Finding the Fourth Proportional to 270,617.79, 373,448.85 and 149,751.72

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Solution

The fourth proportional to 270,617.79, 373,448.85 and 149,751.72 is: 206,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,617.79 : 373,448.85 = 149,751.72 : x
  2. Step 2: Convert to fraction form
    270,617.79/373,448.85 = 149,751.72/x
  3. Step 3: Cross multiply
    270,617.79x = 373,448.85 × 149,751.72
  4. Step 4: Simplify right side
    270,617.79x = 55,924,607,619.52
  5. Step 5: Solve for x
    x = 55,924,607,619.52/270,617.79
  6. Step 6: Final answer
    x = 206,655.33

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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.