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Finding the Fourth Proportional to 254,843.12, 351,704.76 and 141,676.40

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Solution

The fourth proportional to 254,843.12, 351,704.76 and 141,676.40 is: 195,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,843.12 : 351,704.76 = 141,676.40 : x
  2. Step 2: Convert to fraction form
    254,843.12/351,704.76 = 141,676.40/x
  3. Step 3: Cross multiply
    254,843.12x = 351,704.76 × 141,676.40
  4. Step 4: Simplify right side
    254,843.12x = 49,828,264,259.66
  5. Step 5: Solve for x
    x = 49,828,264,259.66/254,843.12
  6. Step 6: Final answer
    x = 195,525.25

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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.