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Finding the Fourth Proportional to 237,608.64, 327,781.08 and 142,090.20

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Solution

The fourth proportional to 237,608.64, 327,781.08 and 142,090.20 is: 196,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,608.64 : 327,781.08 = 142,090.20 : x
  2. Step 2: Convert to fraction form
    237,608.64/327,781.08 = 142,090.20/x
  3. Step 3: Cross multiply
    237,608.64x = 327,781.08 × 142,090.20
  4. Step 4: Simplify right side
    237,608.64x = 46,574,479,213.42
  5. Step 5: Solve for x
    x = 46,574,479,213.42/237,608.64
  6. Step 6: Final answer
    x = 196,013.41

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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.