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Finding the Fourth Proportional to 270,052.96, 372,665.88 and 149,174.76

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Solution

The fourth proportional to 270,052.96, 372,665.88 and 149,174.76 is: 205,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,052.96 : 372,665.88 = 149,174.76 : x
  2. Step 2: Convert to fraction form
    270,052.96/372,665.88 = 149,174.76/x
  3. Step 3: Cross multiply
    270,052.96x = 372,665.88 × 149,174.76
  4. Step 4: Simplify right side
    270,052.96x = 55,592,343,209.19
  5. Step 5: Solve for x
    x = 55,592,343,209.19/270,052.96
  6. Step 6: Final answer
    x = 205,857.19

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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.