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Finding the Fourth Proportional to 254,763.82, 382,145.28 and 67,775.32

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Solution

The fourth proportional to 254,763.82, 382,145.28 and 67,775.32 is: 101,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,763.82 : 382,145.28 = 67,775.32 : x
  2. Step 2: Convert to fraction form
    254,763.82/382,145.28 = 67,775.32/x
  3. Step 3: Cross multiply
    254,763.82x = 382,145.28 × 67,775.32
  4. Step 4: Simplify right side
    254,763.82x = 25,900,018,638.49
  5. Step 5: Solve for x
    x = 25,900,018,638.49/254,763.82
  6. Step 6: Final answer
    x = 101,662.86

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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.