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Finding the Fourth Proportional to 253,008.36, 349,224.96 and 145,654.20

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Solution

The fourth proportional to 253,008.36, 349,224.96 and 145,654.20 is: 201,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,008.36 : 349,224.96 = 145,654.20 : x
  2. Step 2: Convert to fraction form
    253,008.36/349,224.96 = 145,654.20/x
  3. Step 3: Cross multiply
    253,008.36x = 349,224.96 × 145,654.20
  4. Step 4: Simplify right side
    253,008.36x = 50,866,082,168.83
  5. Step 5: Solve for x
    x = 50,866,082,168.83/253,008.36
  6. Step 6: Final answer
    x = 201,045.06

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1.5x scale

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.