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Finding the Fourth Proportional to 253,577.28, 349,857.43 and 146,132.71

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Solution

The fourth proportional to 253,577.28, 349,857.43 and 146,132.71 is: 201,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,577.28 : 349,857.43 = 146,132.71 : x
  2. Step 2: Convert to fraction form
    253,577.28/349,857.43 = 146,132.71/x
  3. Step 3: Cross multiply
    253,577.28x = 349,857.43 × 146,132.71
  4. Step 4: Simplify right side
    253,577.28x = 51,125,613,119.56
  5. Step 5: Solve for x
    x = 51,125,613,119.56/253,577.28
  6. Step 6: Final answer
    x = 201,617.48

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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.