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Finding the Fourth Proportional to 203,779.74, 281,217.04 and 127,343.22

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Solution

The fourth proportional to 203,779.74, 281,217.04 and 127,343.22 is: 175,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,779.74 : 281,217.04 = 127,343.22 : x
  2. Step 2: Convert to fraction form
    203,779.74/281,217.04 = 127,343.22/x
  3. Step 3: Cross multiply
    203,779.74x = 281,217.04 × 127,343.22
  4. Step 4: Simplify right side
    203,779.74x = 35,811,083,392.47
  5. Step 5: Solve for x
    x = 35,811,083,392.47/203,779.74
  6. Step 6: Final answer
    x = 175,734.27

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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.