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Finding the Fourth Proportional to 254,779.32, 382,168.44 and 67,790.82

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Solution

The fourth proportional to 254,779.32, 382,168.44 and 67,790.82 is: 101,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,779.32 : 382,168.44 = 67,790.82 : x
  2. Step 2: Convert to fraction form
    254,779.32/382,168.44 = 67,790.82/x
  3. Step 3: Cross multiply
    254,779.32x = 382,168.44 × 67,790.82
  4. Step 4: Simplify right side
    254,779.32x = 25,907,511,925.72
  5. Step 5: Solve for x
    x = 25,907,511,925.72/254,779.32
  6. Step 6: Final answer
    x = 101,686.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.