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Finding the Fourth Proportional to 254,549.98, 351,258.42 and 147,126.97

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Solution

The fourth proportional to 254,549.98, 351,258.42 and 147,126.97 is: 203,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,549.98 : 351,258.42 = 147,126.97 : x
  2. Step 2: Convert to fraction form
    254,549.98/351,258.42 = 147,126.97/x
  3. Step 3: Cross multiply
    254,549.98x = 351,258.42 × 147,126.97
  4. Step 4: Simplify right side
    254,549.98x = 51,679,587,021.59
  5. Step 5: Solve for x
    x = 51,679,587,021.59/254,549.98
  6. Step 6: Final answer
    x = 203,023.34

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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.